Cita APA

Grogan, R. G., Bardin, R., & Snyder, W. C. 1. (1955). Diseases of lettuce. California: División of Agricultural Sciences, Universidad of California.

Citación estilo Chicago

Grogan, Raymond G., Roy Bardin, y William Cowperthwaite 1904-1980 Snyder. Diseases of Lettuce. California: División of Agricultural Sciences, Universidad of California, 1955.

Cita MLA

Grogan, Raymond G., Roy Bardin, y William Cowperthwaite 1904-1980 Snyder. Diseases of Lettuce. California: División of Agricultural Sciences, Universidad of California, 1955.