Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Barnes, R. S. K., i R. N. Hughes. An Introduction to Marine Ecology. Malden, MA: Blackwell Publishing, 1999.

Cita MLA (9th ed.)

Barnes, R. S. K., i R. N. Hughes. An Introduction to Marine Ecology. Blackwell Publishing, 1999.