Cita APA (7a ed.)

Krebs, C. J. (1978). Ecology: The experimental analysis of distribution and abundance (2d. ed.). Harper & Row.

Cita Chicago Style (17a ed.)

Krebs, Charles J. Ecology: The Experimental Analysis of Distribution and Abundance. 2d. ed. New York: Harper & Row, 1978.

Cita MLA (9a ed.)

Krebs, Charles J. Ecology: The Experimental Analysis of Distribution and Abundance. 2d. ed. Harper & Row, 1978.