एपीए उद्धरण

Singh, N. K. (2004). Encyclopedia of the world scientists (10 Volumes). APH Publishing Corporation.

शिकागो स्टाइल उद्धरण

Singh, Nagendra Kr. Encyclopedia of the World Scientists (10 Volumes). New Delhi: APH Publishing Corporation, 2004.

एमएलए उद्धरण

Singh, Nagendra Kr. Encyclopedia of the World Scientists (10 Volumes). APH Publishing Corporation, 2004.