APA (7th ed.) Citation

United States. Department of Agriculture. Office of the Secretary, Clawson, A. B., & Marsh, C. D. (1923). Greasewood as poisonous plant. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Agriculture. Office of the Secretary, A. B. Clawson, and C. Dwight Marsh. Greasewood as Poisonous Plant. Washington: U.S. GPO, 1923.

MLA (9th ed.) Citation

United States. Department of Agriculture. Office of the Secretary, et al. Greasewood as Poisonous Plant. U.S. GPO, 1923.