APA (7th ed.) Citation

Krishnan, R. (2013). Subject classification and indexing in libraries. Centrum Press.

Chicago Style (17th ed.) Citation

Krishnan, R.K. Subject Classification and Indexing in Libraries. New Delhi: Centrum Press, 2013.

MLA (9th ed.) Citation

Krishnan, R.K. Subject Classification and Indexing in Libraries. Centrum Press, 2013.