APA (7th ed.) Zitazioa

Snodgrass, R. (1935). Principles of Insect Morphology. McGraw Hill.

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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