APA (7th ed.) Citation

Cowles Book Company. (1969). Preparation for Peace Corps placement tests ([1st ed.].). [publisher not identified].

Chicago Style (17th ed.) Citation

Cowles Book Company. Preparation for Peace Corps Placement Tests. [1st ed.]. New York: [publisher not identified], 1969.

MLA (9th ed.) Citation

Cowles Book Company. Preparation for Peace Corps Placement Tests. [1st ed.]. [publisher not identified], 1969.

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