APA (7th ed.) Citation

Walcott, M. V., Wherry, E. T., & Jones, F. M. (1935). Illustrations of North American pitcherplants. The Smithsonian Institution.

Chicago Style (17th ed.) Citation

Walcott, Mary Vaux, Edgar T. Wherry, and Frank Morton Jones. Illustrations of North American Pitcherplants. Washington, D. C.: The Smithsonian Institution, 1935.

MLA (9th ed.) Citation

Walcott, Mary Vaux, et al. Illustrations of North American Pitcherplants. The Smithsonian Institution, 1935.