एपीए उद्धरण

Singh, U. K. (2012). Encyclopaedia of social thinkers. ABD Publishers.

शिकागो स्टाइल उद्धरण

Singh, Upendra Kumar. Encyclopaedia of Social Thinkers. New Delhi: ABD Publishers, 2012.

एमएलए उद्धरण

Singh, Upendra Kumar. Encyclopaedia of Social Thinkers. ABD Publishers, 2012.