APA (7th ed.) Citation

Sengupta, B. (1977). Documentation and information retrieval. World Pr..

Chicago Style (17th ed.) Citation

Sengupta, Benoyendra. Documentation and Information Retrieval. Calcutta: World Pr., 1977.

MLA (9th ed.) Citation

Sengupta, Benoyendra. Documentation and Information Retrieval. World Pr., 1977.