Cita APA (7th ed.)

Riker, W. H. (1965). Democracy in the United state. Macmillan.

Cita Chicago (17th ed.)

Riker, William H. Democracy in the United State. New York: Macmillan, 1965.

Cita MLA (9th ed.)

Riker, William H. Democracy in the United State. Macmillan, 1965.