APA (7th ed.) Citation

Buchanan, W. (1969). Understanding political variables. Scribner.

Chicago Style (17th ed.) Citation

Buchanan, William. Understanding Political Variables. New York: Scribner, 1969.

MLA (9th ed.) Citation

Buchanan, William. Understanding Political Variables. Scribner, 1969.

Warning: These citations may not always be 100% accurate.