Add citation details to README.

README.Rmd

@@ -283,6 +283,21 @@ A comprehensive [2022 analysis of Canadian stock assessments](https://publicatio
 
 This work is strongly motivated by, and based on, the [GSLea](https://github.com/duplisea/gslea) R package by Dan Duplisea and colleagues for the Gulf of St Lawrence.
 
+## Citation
+
+If you use `pacea` in your work then please cite it as
+
+Edwards AM, Tai TC, Watson J, Peña MA, Hilborn A, Hannah CG, Rooper
+  CN (2023). "pacea: An R package of Pacific ecosystem information to
+  help facilitate an ecosystem approach to fisheries management."
+  <https://github.com/pbs-assess/pacea>.
+
+You may wish to add the date you installed it (using `pacea_installed()`). Use
+`citation("pacea")` to get a version for LaTeX and R Markdown bibliographies.
+
+Also let us know of any applications. This will help us devote effort into
+maintaining `pacea`.
+
 ## Acknowledgments
 
 This work is funded by a Competitive Science Research Fund grant from Fisheries
@@ -320,8 +335,7 @@ coverage (as indicated in the badge at the top of the README on GitHub).
 variables and functions.
 
 1. Citation information is in inst/CITATION, so if you update DESCRIPTION file
-(e.g. add an author) then update that also, and may want to change the info at the
-start of this file.
+(e.g. add an author) then update that also and update the citation info above.
 
 1. Logo included by running `use_logo("inst/pacea-logo-from-carley.png")`. The .png was
 expertly designed by Carley Colclough. There is also `inst/pacea-logo-for-printing.jpg`

README.md

@@ -264,6 +264,22 @@ This work is strongly motivated by, and based on, the
 [GSLea](https://github.com/duplisea/gslea) R package by Dan Duplisea and
 colleagues for the Gulf of St Lawrence.
 
+## Citation
+
+If you use `pacea` in your work then please cite it as
+
+Edwards AM, Tai TC, Watson J, Peña MA, Hilborn A, Hannah CG, Rooper CN
+(2023). “pacea: An R package of Pacific ecosystem information to help
+facilitate an ecosystem approach to fisheries management.”
+<https://github.com/pbs-assess/pacea>.
+
+You may wish to add the date you installed it (using
+`pacea_installed()`). Use `citation("pacea")` to get a version for LaTeX
+and R Markdown bibliographies.
+
+Also let us know of any applications. This will help us devote effort
+into maintaining `pacea`.
+
 ## Acknowledgments
 
 This work is funded by a Competitive Science Research Fund grant from
@@ -304,8 +320,8 @@ logo.
     and functions.
 
 6.  Citation information is in inst/CITATION, so if you update
-    DESCRIPTION file (e.g. add an author) then update that also, and may
-    want to change the info at the start of this file.
+    DESCRIPTION file (e.g. add an author) then update that also and
+    update the citation info above.
 
 7.  Logo included by running
     `use_logo("inst/pacea-logo-from-carley.png")`. The .png was expertly