APA (7th ed.) Citation

Newell, G. E., & Newell, R. C. (1963). Marine plankton: A practical guide. Hutchinson Educational.

Chicago Style (17th ed.) Citation

Newell, G. E., and R. C. Newell. Marine Plankton: A Practical Guide. London: Hutchinson Educational, 1963.

MLA (9th ed.) Citation

Newell, G. E., and R. C. Newell. Marine Plankton: A Practical Guide. Hutchinson Educational, 1963.