Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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