Cita APA

Hitchcock, A. S. 1. (1930). The grasses of Central America. Washington: U.S. National Museum.

Citación estilo Chicago

Hitchcock, Albert Spear 1865-1935. The Grasses of Central America. Washington: U.S. National Museum, 1930.

Cita MLA

Hitchcock, Albert Spear 1865-1935. The Grasses of Central America. Washington: U.S. National Museum, 1930.