एपीए उद्धरण

Randhawa, M., Singh, J., Dey, A., & Mittre, V. (1969). Evolution of life. Publications & Information Directorate.

शिकागो स्टाइल उद्धरण

Randhawa, M.S, Jagjit Singh, A.K Dey, और Vishnu Mittre. Evolution of Life. New Delhi: Publications & Information Directorate, 1969.

एमएलए उद्धरण

Randhawa, M.S, et al. Evolution of Life. Publications & Information Directorate, 1969.