APA (7th ed.) Citation

Barnes, R. S. K., & Hughes, R. N. (1982). An introduction to marine ecology. Blackwell Scientific Pub.

Chicago Style (17th ed.) Citation

Barnes, R. S. K., and R. N. Hughes. An Introduction to Marine Ecology. Oxford: Blackwell Scientific Pub, 1982.

MLA (9th ed.) Citation

Barnes, R. S. K., and R. N. Hughes. An Introduction to Marine Ecology. Blackwell Scientific Pub, 1982.