APA Citation

Kier, P. M. 1. (1977). Triassic echinoids. Washington: Smithsonian Institution Press.

Chicago Style Citation

Kier, Porter M. 1927-. Triassic Echinoids. Washington: Smithsonian Institution Press, 1977.

MLA Citation

Kier, Porter M. 1927-. Triassic Echinoids. Washington: Smithsonian Institution Press, 1977.

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