APA Edition Citation

Chopra, P. S., & Chopra , J. K. (2005). UNIQUE QUINTESSENCE for UPSC Civil services. Unique publ.

Chicago Edition Citation

Chopra, P. S., and J. K. Chopra. UNIQUE QUINTESSENCE for UPSC Civil Services. New Delhi: Unique publ, 2005.

MLA Edition Citation

Chopra, P. S., and J. K. Chopra. UNIQUE QUINTESSENCE for UPSC Civil Services. Unique publ, 2005.

Warning: These citations may not always be 100% accurate.