Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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