Cita APA

Hollowell, T. (2004). Smithsonian plant collections, Guyana: 1990-1991, Tim McDowell. Washington: National Museum of Natural History.

Citación estilo Chicago

Hollowell, Tom. Smithsonian Plant Collections, Guyana: 1990-1991, Tim McDowell. Washington: National Museum of Natural History, 2004.

Cita MLA

Hollowell, Tom. Smithsonian Plant Collections, Guyana: 1990-1991, Tim McDowell. Washington: National Museum of Natural History, 2004.