APA-referens (7:e uppl.)

GODINEZ, E. S., SENCION, J. A. L., & Prather, L. A. (2001). Habitat and range extension of Cobaea lutea (Polemoniaceae) in western Mexico.

Chicago-referens (17:e uppl.)

GODINEZ, EDUARDO SAHAGUN, JOSE AQUILEO LOMELI SENCION, och L. Alan Prather. Habitat and Range Extension of Cobaea Lutea (Polemoniaceae) in Western Mexico. 2001.

MLA-referens (9:e uppl.)

GODINEZ, EDUARDO SAHAGUN, et al. Habitat and Range Extension of Cobaea Lutea (Polemoniaceae) in Western Mexico. 2001.