Cita APA

Snodgrass, R. E. 1. (1993). Principles & insect morphology. New York: Mc Graw-Hill Book Company.

Citación estilo Chicago

Snodgrass, Robert E. 1875-1962. Principles & Insect Morphology. New York: Mc Graw-Hill Book Company, 1993.

Cita MLA

Snodgrass, Robert E. 1875-1962. Principles & Insect Morphology. New York: Mc Graw-Hill Book Company, 1993.