APA (7th ed.) Citation

Hitchcock, A. S., & Chase, A. (1936). The genera of grasses of the United States: With special reference to the economic species (Issued March 1920; revised May 1936.). [U. S. Govt print. off].

Chicago Style (17th ed.) Citation

Hitchcock, A. S., and Agnes Chase. The Genera of Grasses of the United States: With Special Reference to the Economic Species. Issued March 1920; revised May 1936. Washington: [U. S. Govt print. off], 1936.

MLA (9th ed.) Citation

Hitchcock, A. S., and Agnes Chase. The Genera of Grasses of the United States: With Special Reference to the Economic Species. Issued March 1920; revised May 1936. [U. S. Govt print. off], 1936.