Cita APA (7a ed.)

Krebs, C. J. (1994). Ecology: The experimental analysis of distribution and abundance (4a ed.). HarperCollins College Publishers, Harper & Row.

Cita Chicago Style (17a ed.)

Krebs, Charles J. Ecology: The Experimental Analysis of Distribution and Abundance. 4a ed. New York, N.Y.: HarperCollins College Publishers, Harper & Row, 1994.

Cita MLA (8a ed.)

Krebs, Charles J. Ecology: The Experimental Analysis of Distribution and Abundance. 4a ed. HarperCollins College Publishers, Harper & Row, 1994.