APA

Snodgrass R. E., . (1971). A textbook of arthropod anatomy. New York: Hafner.

Chicago

Snodgrass R E, . 1971. A textbook of arthropod anatomy. New York: Hafner.

Harvard

Snodgrass R. E., . (1971). A textbook of arthropod anatomy. New York: Hafner.

MLA

Snodgrass R E, . A textbook of arthropod anatomy. New York: Hafner. 1971.