APA Citation

Cooke, C. W. 1. (1961). Cenozoic and Creataceous echinoids from Trinidad and Venezuela. Washington: Smithsonian Institution.

Chicago Style Citation

Cooke, C. Wythe 1887-1971. Cenozoic and Creataceous Echinoids From Trinidad and Venezuela. Washington: Smithsonian Institution, 1961.

MLA Citation

Cooke, C. Wythe 1887-1971. Cenozoic and Creataceous Echinoids From Trinidad and Venezuela. Washington: Smithsonian Institution, 1961.

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