Cita APA

Barnes, R. S. K., & Hughes, R. N. (1999). An introduction to marine ecology (3a. ed.). [S.l.]: Blackwell Scienc.

Citación estilo Chicago

Barnes, Richard Stephen Kent, y R. N. Hughes. An Introduction to Marine Ecology. 3a. ed. [S.l.]: Blackwell Scienc, 1999.

Cita MLA

Barnes, Richard Stephen Kent, y R. N. Hughes. An Introduction to Marine Ecology. 3a. ed. [S.l.]: Blackwell Scienc, 1999.