APA (7th ed.) Citation

Hitchcock, A. S. (1921). A manual of farm grasses. The author.

Chicago Style (17th ed.) Citation

Hitchcock, A. S. A Manual of Farm Grasses. Washington, D. C.: The author, 1921.

MLA (9th ed.) Citation

Hitchcock, A. S. A Manual of Farm Grasses. The author, 1921.