APA način citiranja (7. izdanje)

Kumar, H. D. (1997). Modern concepts of ecology (8th rev. ed.). Vikas Pub. House ; UBS Publishers' Distributors.

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (8. izdanje)

Kumar, H. D. Modern Concepts of Ecology. 8th rev. ed. Vikas Pub. House ; UBS Publishers' Distributors, 1997.