Citazione APA

Arora, M. P., & Kanta, C. (2011). Ecology (5th rev.ed.). Himalaya Publishing House.

Stile di citazione Chicago

Arora, Mohan P., e Chander Kanta. Ecology. 5th rev.ed. New Delhi: Himalaya Publishing House, 2011.

Citazione MLA

Arora, Mohan P., e Chander Kanta. Ecology. 5th rev.ed. Himalaya Publishing House, 2011.