APA (7th ed.) Zitazioa

Krebs, C. J. (1972). Ecology: The experimental analysis of distribution and abundance. Harper and Row.

Chicago Style (17th ed.) Zitazioa

Krebs, Charles J. Ecology: The Experimental Analysis of Distribution and Abundance. Nueva York: Harper and Row, 1972.

MLA (9th ed.) Zitazioa

Krebs, Charles J. Ecology: The Experimental Analysis of Distribution and Abundance. Harper and Row, 1972.