APA (7th ed.) Citation

United States. Bureau of Plant Industry, Coe, H. S., & Westgate, J. M. (1915). Crimson clover (Trifolium incarnatum). U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Plant Industry, H. S. Coe, and J. M. Westgate. Crimson Clover (Trifolium Incarnatum). Washington: U.S. GPO, 1915.

MLA (9th ed.) Citation

United States. Bureau of Plant Industry, et al. Crimson Clover (Trifolium Incarnatum). U.S. GPO, 1915.