APA-viite

Snodgrass, R. E. (1935). Principles of insect morphology.

Chicago-tyylinen lähdeviittaus

Snodgrass, R E. Principles of Insect Morphology. McGraw-Hill Book Co., New York, 1935.

MLA-viite

Snodgrass, R E. Principles of Insect Morphology. 1935.