APA (7th ed.) Citation

Barnes, R. S. K., & Hughes, R. N. (1988). An introduction to marine ecology (2nd ed.). Blackwell Scientific Publishing.

Chicago Style (17th ed.) Citation

Barnes, R. S. K., and R. N. Hughes. An Introduction to Marine Ecology. 2nd ed. Oxford, England: Blackwell Scientific Publishing, 1988.

MLA (9th ed.) Citation

Barnes, R. S. K., and R. N. Hughes. An Introduction to Marine Ecology. 2nd ed. Blackwell Scientific Publishing, 1988.