Cita APA (7th ed.)

Cain Michael L., Bowman William D., & Hacker, S. D. (2011). Ecology (Second edition.). AUWSF.

Cita Chicago (17th ed.)

Cain Michael L., Bowman William D., i Sally D. Hacker. Ecology. Second edition. Sunderland: AUWSF, 2011.

Cita MLA (9th ed.)

Cain Michael L., et al. Ecology. Second edition. AUWSF, 2011.