APA (7th ed.) Citation

Nigrini, C., & Moore, T. C. (1979). A guide to modern radiolaria.

Chicago Style (17th ed.) Citation

Nigrini, Catherine, and T. C. Moore. A Guide to Modern Radiolaria. Washington, D.C, 1979.

MLA (9th ed.) Citation

Nigrini, Catherine, and T. C. Moore. A Guide to Modern Radiolaria. 1979.