APA (7th ed.) Citation

Baldwin, G. C. (1971). Pyramids of the New World. Putnam.

Chicago Style (17th ed.) Citation

Baldwin, Gordon C. Pyramids of the New World. New York: Putnam, 1971.

MLA (9th ed.) Citation

Baldwin, Gordon C. Pyramids of the New World. Putnam, 1971.

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