APA (7th ed.) Citation

Barnes, R. S. K., & Hughes, R. N. (1999). An introduction to marine ecology (3. ed.). Blackwell.

Chicago Style (17th ed.) Citation

Barnes, Richard S. K., and R. N. Hughes. An Introduction to Marine Ecology. 3. ed. Oxford [u.a.]: Blackwell, 1999.

MLA (9th ed.) Citation

Barnes, Richard S. K., and R. N. Hughes. An Introduction to Marine Ecology. 3. ed. Blackwell, 1999.