APA (7th ed.) Citation

Girja Kumar & Kumar, K. (1977). Theory of cataloguing (2nd rev. ed.). Vikas.

Chicago Style (17th ed.) Citation

Girja Kumar and Krishan Kumar. Theory of Cataloguing. 2nd rev. ed. New Delhi: Vikas, 1977.

MLA (8th ed.) Citation

Girja Kumar and Krishan Kumar. Theory of Cataloguing. 2nd rev. ed. Vikas, 1977.