Cita APA

Hollowell, T., McDowell, T., Funk, V., Kelloff, C. L., & Gopaul, D. (2004). Smithsonian plant collections, Guyana: 1990 - 1991, Tim McDowell. Washington: Department of Botany National Museum of Natural History.

Citación estilo Chicago

Hollowell, Tom, Tim McDowell, V.A Funk, Carol L. Kelloff, and Doorjoohan Gopaul. Smithsonian Plant Collections, Guyana: 1990 - 1991, Tim McDowell. Washington: Department of Botany National Museum of Natural History, 2004.

Cita MLA

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