APA

Van Evera S., . (1997). Guide to methods for students of political science. Ithaca: Cornell University Press.

Chicago

Van Evera Stephen, . 1997. Guide to methods for students of political science. Ithaca: Cornell University Press.

Harvard

Van Evera S., . (1997). Guide to methods for students of political science. Ithaca: Cornell University Press.

MLA

Van Evera Stephen, . Guide to methods for students of political science. Ithaca: Cornell University Press. 1997.