APA استشهاد

Jagadish Singh; Ed, Kumra, V. K. E., & Prithvish Nag; Ed. (1997). Geography and environment.

استشهاد بنمط شيكاغو

Jagadish Singh; Ed, V K; Ed Kumra, و Prithvish Nag; Ed. Geography and Environment. New Delhi, Concept publishing company, 1997.

MLA استشهاد

Jagadish Singh; Ed, et al. Geography and Environment. 1997.