APA Citation

Kier, P. M. (1967). Revision of the Oligopygoid echinoids. Washington: Smithsonian Institution.

Chicago Style Citation

Kier, Porter M. Revision of the Oligopygoid Echinoids. Washington: Smithsonian Institution, 1967.

MLA Citation

Kier, Porter M. Revision of the Oligopygoid Echinoids. Washington: Smithsonian Institution, 1967.

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