APA সাইটেশন

Krebs, C. J. (1985). Ecology: The experimental analysis of distribution and abundance (3rd ed.). Harper & Row.

শিকাগো স্টাইলে সাইটেশন

Krebs, Charles J. Ecology: The Experimental Analysis of Distribution and Abundance. 3rd ed. New York: Harper & Row, 1985.

এমএলএ সাইটেশন

Krebs, Charles J. Ecology: The Experimental Analysis of Distribution and Abundance. 3rd ed. Harper & Row, 1985.