Cita APA

Townsend, C. R., Begon, M. 1., & Harper, J. L. 1. (2003). Essentials of ecology (2. edition.). Malden, Mass.: Blackwell.

Citación estilo Chicago

Townsend, Colin R., Michael 1951- Begon, y John Lander 1925- Harper. Essentials of Ecology. 2. edition. Malden, Mass.: Blackwell, 2003.

Cita MLA

Townsend, Colin R., Michael 1951- Begon, y John Lander 1925- Harper. Essentials of Ecology. 2. edition. Malden, Mass.: Blackwell, 2003.