Cita APA

Snodgrass, R. E. (1935). Principles of insect morphology (1a. ed.). New York: McGraw-Hill.

Citación estilo Chicago

Snodgrass, R. E. Principles of Insect Morphology. 1a. ed. New York: McGraw-Hill, 1935.

Cita MLA

Snodgrass, R. E. Principles of Insect Morphology. 1a. ed. New York: McGraw-Hill, 1935.