APA (7th ed.) Zitazioa

.Townsend, C. R., Begon, M., .Townsend, C. R., & .Harper, J. L. (2008). Essentials of ecology (2rd ed.). Blackwell Pub.

Chicago Style (17th ed.) Zitazioa

.Townsend, Colin R., Michael Begon, Colin R. .Townsend, eta John L. .Harper. Essentials of Ecology. 2rd ed. Malden, MA: Blackwell Pub, 2008.

MLA (9th ed.) Zitazioa

.Townsend, Colin R., et al. Essentials of Ecology. 2rd ed. Blackwell Pub, 2008.