Cita APA

Snodgrass, R. E. 1. (1935). Principles of insect morphology. McGraw-Hill.

Citación estilo Chicago

Snodgrass, R. E. 1875-1962. Principles of Insect Morphology. New York: McGraw-Hill, 1935.

Cita MLA

Snodgrass, R. E. 1875-1962. Principles of Insect Morphology. New York: McGraw-Hill, 1935.