APA (7th ed.) Citation

Cooper, G. A., & Grant, R. E. (1974). Permian brachiopods of West Texas. Smithsonian Institution Pr.

Chicago Style (17th ed.) Citation

Cooper, G. Arthur, and Richard E. Grant. Permian Brachiopods of West Texas. Washington, D.C: Smithsonian Institution Pr, 1974.

MLA (9th ed.) Citation

Cooper, G. Arthur, and Richard E. Grant. Permian Brachiopods of West Texas. Smithsonian Institution Pr, 1974.