APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Snodgrass, R.E. Principles of Insect Morphology. New York [etc.]: McGraw-Hill Book Company, 1935.

MLA (9th ed.) Citation

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

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