To cite PSAgraphics in publications use:
Helmreich J, Pruzek R (2009). “PSAgraphics: An R Package to Support Propensity Score Analysis.” Journal of Statistical Software, 29(6), 1–23. https://www.jstatsoft.org/article/view/v029i06/.
Corresponding BibTeX entry:
@Article{,
title = {{PSAgraphics}: An {R} Package to Support Propensity Score
Analysis},
author = {James Helmreich and Robert Pruzek},
journal = {Journal of Statistical Software},
year = {2009},
volume = {29},
number = {6},
pages = {1--23},
url = {https://www.jstatsoft.org/article/view/v029i06/},
}