APA (7th ed.) Citation

Kumar, S. (1961). The changing concepts of reference service. Vikas Publishing.

Chicago Style (17th ed.) Citation

Kumar, Suseela. The Changing Concepts of Reference Service. Delhi: Vikas Publishing, 1961.

MLA (9th ed.) Citation

Kumar, Suseela. The Changing Concepts of Reference Service. Vikas Publishing, 1961.

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