APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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