Cita APA (7a ed.)

Snodgrass, R. E. (1935). Principles of Insect Morphology. McGraw-Hill Book Co..

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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