APA-referens (7:e uppl.)

Pyenson, L. (1980). Fundamentals of entomology and plant pathology (2nd ed.). AVI Pub. Co..

Chicago-referens (17:e uppl.)

Pyenson, Louis. Fundamentals of Entomology and Plant Pathology. 2nd ed. Westport, Conn.: AVI Pub. Co., 1980.

MLA-referens (9:e uppl.)

Pyenson, Louis. Fundamentals of Entomology and Plant Pathology. 2nd ed. AVI Pub. Co., 1980.