ScienceDirect (Online service), Johnson, P. E., & Rodin, E. Y. (1989). Formal theories of politics: Mathematical modelling in political science. Pergamon Press.
Chicago Style (17th ed.) CitationScienceDirect (Online service), P. E. Johnson, and Ervin Y. Rodin. Formal Theories of Politics: Mathematical Modelling in Political Science. Oxford ; New York: Pergamon Press, 1989.
MLA (9th ed.) CitationScienceDirect (Online service), et al. Formal Theories of Politics: Mathematical Modelling in Political Science. Pergamon Press, 1989.
Warning: These citations may not always be 100% accurate.