Citazione Stile APA (7a Edizione)

Kumar, H. D. (1997). Modern concepts of ecology (8th rev. ed.). Vikas Pub. House.

Citazione stile Chigago Style (17a edizione)

Kumar, H. D. Modern Concepts of Ecology. 8th rev. ed. New Delhi: Vikas Pub. House, 1997.

Citatione MLA (8a ed.)

Kumar, H. D. Modern Concepts of Ecology. 8th rev. ed. Vikas Pub. House, 1997.