एपीए उद्धरण

Charles J Krebs. (1994). Ecology: The experimental analysis of distribution and abundance. New York: Harper Collins.

शिकागो स्टाइल उद्धरण

Charles J Krebs. Ecology: The Experimental Analysis of Distribution and Abundance. New York: Harper Collins, 1994.

एमएलए उद्धरण

Charles J Krebs. Ecology: The Experimental Analysis of Distribution and Abundance. New York: Harper Collins, 1994.

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.