APA (7th ed.) Citation

Nigam, V. N., & Dhoundial, M. (1998). A complete course in certificate geography (6., rev. ed.). Pitambar Publ.

Chicago Style (17th ed.) Citation

Nigam, V. N., and M. Dhoundial. A Complete Course in Certificate Geography. 6., rev. ed. New Delhi: Pitambar Publ, 1998.

MLA (9th ed.) Citation

Nigam, V. N., and M. Dhoundial. A Complete Course in Certificate Geography. 6., rev. ed. Pitambar Publ, 1998.