APA Edition Citation

Krishan, K. (1988). Theory of classification (4ed.). Vikas Publishing House.

Chicago Edition Citation

Krishan, Kumar. Theory of Classification. 4ed. New Delhi: Vikas Publishing House, 1988.

MLA Edition Citation

Krishan, Kumar. Theory of Classification. 4ed. Vikas Publishing House, 1988.

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