APA

Sher A. A., Molles M. C., . (2018). Ecology: concepts and applications. New York: ‎ McGraw-Hill Education.

Chicago

Sher Anna A, Molles Manuel C, . 2018. Ecology: concepts and applications. New York: ‎ McGraw-Hill Education.

Harvard

Sher A. A., Molles M. C., . (2018). Ecology: concepts and applications. New York: ‎ McGraw-Hill Education.

MLA

Sher Anna A, Molles Manuel C, . Ecology: concepts and applications. New York: ‎ McGraw-Hill Education. 2018.