Cita APA

Odegard, P. H., & Helms, E. A. American politics: A study in political dynamics. New York: Harper & Brothers.

Citación estilo Chicago

Odegard, Peter H., and E. Allen Helms. American Politics: A Study in Political Dynamics. New York: Harper & Brothers.

Cita MLA

Odegard, Peter H., and E. Allen Helms. American Politics: A Study in Political Dynamics. New York: Harper & Brothers.