Cita APA (7th ed.)

Krebs, C. J. (1994). Ecology: The experimental analysis of distribution and abundance (Fourth Edition.). Haper & Row Pub.

Cita Chicago (17th ed.)

Krebs, Charles J. Ecology: The Experimental Analysis of Distribution and Abundance. Fourth Edition. New York: Haper & Row Pub, 1994.

Cita MLA (9th ed.)

Krebs, Charles J. Ecology: The Experimental Analysis of Distribution and Abundance. Fourth Edition. Haper & Row Pub, 1994.