APA (7th ed.) Citation

Hitchcock, A. S. (1924). North American species of Aristida. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Hitchcock, A. S. North American Species of Aristida. [Place of publication not identified]: U.S. Government Printing Office, 1924.

MLA (9th ed.) Citation

Hitchcock, A. S. North American Species of Aristida. U.S. Government Printing Office, 1924.