Cita APA (7a ed.)

Riker, W. H. (1953). Democracy in the United States. MacMillan.

Cita Chicago Style (17a ed.)

Riker, William H. Democracy in the United States. New York: MacMillan, 1953.

Cita MLA (9a ed.)

Riker, William H. Democracy in the United States. MacMillan, 1953.