Cita APA (7th ed.)

Kumar, H. D. (1992). Modern Concepts of Ecology (7th revised.). Vikas Publishing House.

Cita Chicago (17th ed.)

Kumar, H. D. Modern Concepts of Ecology. 7th revised. New Delhi: Vikas Publishing House, 1992.

Cita MLA (9th ed.)

Kumar, H. D. Modern Concepts of Ecology. 7th revised. Vikas Publishing House, 1992.