APA Citation

Chopra, R. N., & Chopra, R. N. (1990). Dictionary of library science. New Delhi: Anmol.

Chicago Style Citation

Chopra, R. N., and R. N. Chopra. Dictionary of Library Science. New Delhi: Anmol, 1990.

MLA Citation

Chopra, R. N., and R. N. Chopra. Dictionary of Library Science. New Delhi: Anmol, 1990.

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