APA-viite (7. p.)

Crotty, W. J. (1991). Political science: Looking to the future. Northwestern University Press.

Chicago-viite (17. p.)

Crotty, William J. Political Science: Looking to the Future. Evanston, Ill: Northwestern University Press, 1991.

MLA-viite (9. p.)

Crotty, William J. Political Science: Looking to the Future. Northwestern University Press, 1991.