Grasses of British Guiana.

MLA

Hitchcock, A. S. Grasses of British Guiana. Washington: Govt. print. off., 1922.

APA

Hitchcock, A. S. (1922). Grasses of British Guiana. Washington: Govt. print. off.

Chicago

Hitchcock, A. S. Grasses of British Guiana. Washington: Govt. print. off., 1922.