Pollock, P. H. I., & Edwards, B. C. (2018). An R companion to political analysis (Second edition.). CQ Press.
Chicago Style (17th ed.) CitationPollock, Philip H. III, and Barry C. Edwards. An R Companion to Political Analysis. Second edition. Thousand Oaks, California: CQ Press, 2018.
MLA (9th ed.) CitationPollock, Philip H. III, and Barry C. Edwards. An R Companion to Political Analysis. Second edition. CQ Press, 2018.
Warning: These citations may not always be 100% accurate.