APA (7th ed.) Citation

New York, G. I. (1963). The American peoples encyclopedia. Grolier Incorporated.

Chicago Style (17th ed.) Citation

New York, Grolier Incorporated. The American Peoples Encyclopedia. Grolier Incorporated, 1963.

MLA (8th ed.) Citation

New York, Grolier Incorporated. The American Peoples Encyclopedia. Grolier Incorporated, 1963.

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