Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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