Style de citation APA (7e éd.)

KREBS, C. J. (1999). Ecological methodology.-- Ed.2. An Imprint of Addison Wesley Longman.

Style de citation Chicago (17e éd.)

KREBS, Charles J. Ecological Methodology.-- Ed.2. California: An Imprint of Addison Wesley Longman, 1999.

Style de citation MLA (9e éd.)

KREBS, Charles J. Ecological Methodology.-- Ed.2. An Imprint of Addison Wesley Longman, 1999.