APA (7th ed.) Citation

Snodgrass, R. E. (1993). Principles of insect morphology. Cornell University Press.

Chicago Style (17th ed.) Citation

Snodgrass, R. E. Principles of Insect Morphology. Ithaca: Cornell University Press, 1993.

MLA (9th ed.) Citation

Snodgrass, R. E. Principles of Insect Morphology. Cornell University Press, 1993.