Cita APA (7a ed.)

Harmon, R. B. (1968). Political science: A bibliographical guide to the literature. Supplement. Scarecrow Press.

Cita Chicago Style (17a ed.)

Harmon, Robert B. Political Science: A Bibliographical Guide to the Literature. Supplement. New York: Scarecrow Press, 1968.

Cita MLA (8a ed.)

Harmon, Robert B. Political Science: A Bibliographical Guide to the Literature. Supplement. Scarecrow Press, 1968.