APA (7th ed.) Citation

Cushman, J. A., & Parker, F. L. (1947). Bulimina and related foraminiferal genera. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Cushman, Joseph A., and Frances Lawrence Parker. Bulimina and Related Foraminiferal Genera. Washington: U.S. Govt. Print. Off, 1947.

MLA (9th ed.) Citation

Cushman, Joseph A., and Frances Lawrence Parker. Bulimina and Related Foraminiferal Genera. U.S. Govt. Print. Off, 1947.