Gunn, C. R. (1979). Genus vicia with notes about tribe Vicieae (Fabaceae) in Mexico and Central America. U.S. Gov. Print. Off.
Chicago-Zitierstil (17. Ausg.)Gunn, Charles R. Genus Vicia with Notes About Tribe Vicieae (Fabaceae) in Mexico and Central America. Washington, DC: U.S. Gov. Print. Off, 1979.
MLA-Zitierstil (9. Ausg.)Gunn, Charles R. Genus Vicia with Notes About Tribe Vicieae (Fabaceae) in Mexico and Central America. U.S. Gov. Print. Off, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.