APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.