APA način citiranja (7. izdanje)

Kumra, V. K., Nag, P., & Singh, J. (1997). Geography and environment. Concept Pub.

Čikaški stil citiranja (17. izdanje)

Kumra, V. K., Prithvish Nag, i Jagdish Singh. Geography and Environment. New Delhi: Concept Pub, 1997.

MLA način citiranja (9. izdanje)

Kumra, V. K., et al. Geography and Environment. Concept Pub, 1997.