APA (7th ed.) Citation

Nigam, R. C. (1972). Language handbook on mother tongues in census. [Manager of Publications].

Chicago Style (17th ed.) Citation

Nigam, R. C. Language Handbook on Mother Tongues in Census. [Delhi]: [Manager of Publications], 1972.

MLA (9th ed.) Citation

Nigam, R. C. Language Handbook on Mother Tongues in Census. [Manager of Publications], 1972.

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