APA (7th ed.) Citation

Cooke, C. W. (1959). Cenozoic echinoids of Eastern United States. U.S. G.P.O..

Chicago Style (17th ed.) Citation

Cooke, C. Wythe. Cenozoic Echinoids of Eastern United States. Washington: U.S. G.P.O., 1959.

MLA (9th ed.) Citation

Cooke, C. Wythe. Cenozoic Echinoids of Eastern United States. U.S. G.P.O., 1959.

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