APA (7th ed.) Citation

Cushman, J. A., & Stone, B. (1947). An Eocene foraminiferal fauna from the Chira shale of Peru.

Chicago Style (17th ed.) Citation

Cushman, Joseph A., and Benton Stone. An Eocene Foraminiferal Fauna from the Chira Shale of Peru. Sharon, Mass, 1947.

MLA (9th ed.) Citation

Cushman, Joseph A., and Benton Stone. An Eocene Foraminiferal Fauna from the Chira Shale of Peru. 1947.