APA (7th ed.) Citation

Kier, P. M. (1977). Triassic echinoids. Smithsonian Institution Pr.

Chicago Style (17th ed.) Citation

Kier, Porter M. Triassic Echinoids. Washington, DC: Smithsonian Institution Pr, 1977.

MLA (9th ed.) Citation

Kier, Porter M. Triassic Echinoids. Smithsonian Institution Pr, 1977.

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