APA citiranje

McGowan, D. J. (1992). The fresh water pond ecosystem. Encyclopedia Britannica Educational Corporation.

Chicago Style (17th ed.) Citation

McGowan, David J. The Fresh Water Pond Ecosystem. Chicago: Encyclopedia Britannica Educational Corporation, 1992.

MLA citiranje

McGowan, David J. The Fresh Water Pond Ecosystem. Encyclopedia Britannica Educational Corporation, 1992.