APA (7th ed.) Citation

Singh, n. k. (2004). Encyclopaedia of the world scientists: Volume 1 (A to B). S.b. nangia, a.p.h. publishing corporation.

Chicago Style (17th ed.) Citation

Singh, nagendra kr. Encyclopaedia of the World Scientists: Volume 1 (A to B). New delhi, india: S.b. nangia, a.p.h. publishing corporation, 2004.

MLA (9th ed.) Citation

Singh, nagendra kr. Encyclopaedia of the World Scientists: Volume 1 (A to B). S.b. nangia, a.p.h. publishing corporation, 2004.