APA (7th ed.) Citation

Nichols, C. R., & Williams, R. G. (2009). Encyclopedia of marine science. Facts on file.

Chicago Style (17th ed.) Citation

Nichols, C. Reid, and Robert G. Williams. Encyclopedia of Marine Science. New York: Facts on file, 2009.

MLA (9th ed.) Citation

Nichols, C. Reid, and Robert G. Williams. Encyclopedia of Marine Science. Facts on file, 2009.

Warning: These citations may not always be 100% accurate.