Cita APA

Masannat, G. S., & Martin, V. (1971). The american political system: Introductory readings. New York: Scribner's.

Citación estilo Chicago

Masannat, George S., y Vernon Martin. The American Political System: Introductory Readings. New York: Scribner's, 1971.

Cita MLA

Masannat, George S., y Vernon Martin. The American Political System: Introductory Readings. New York: Scribner's, 1971.