APA (7th ed.) Citation

Smithsonian Institution. (1968). The Fitness of man's environment. Smithsonian Institution Press.

Chicago Style (17th ed.) Citation

Smithsonian Institution. The Fitness of Man's Environment. Washington, D.C: Smithsonian Institution Press, 1968.

MLA (9th ed.) Citation

Smithsonian Institution. The Fitness of Man's Environment. Smithsonian Institution Press, 1968.

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