APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Masannat, George S., and Vernon Martin. The American Political System: Introductory Readings. Nueva York: Charles Scribner's Sons, 1971.

MLA (9th ed.) Citation

Masannat, George S., and Vernon Martin. The American Political System: Introductory Readings. Charles Scribner's Sons, 1971.