Cita APA

Krebs, C. J. (2001). Ecology: The exprimental analysis of distribution and abundance (5th ed.). San Francisco: Benjamin Cummings.

Citación estilo Chicago

Krebs, Charles J. Ecology: The Exprimental Analysis of Distribution and Abundance. 5th ed. San Francisco: Benjamin Cummings, 2001.

Cita MLA

Krebs, Charles J. Ecology: The Exprimental Analysis of Distribution and Abundance. 5th ed. San Francisco: Benjamin Cummings, 2001.