APA (7th ed.) Citation

Grierson, G. A. (1995). Languages of north-eastern India: A survey. Gyan Publ.

Chicago Style (17th ed.) Citation

Grierson, George A. Languages of North-eastern India: A Survey. New Delhi: Gyan Publ, 1995.

MLA (9th ed.) Citation

Grierson, George A. Languages of North-eastern India: A Survey. Gyan Publ, 1995.