APA (7th ed.) Citation

Datta Ray, B. (1987). North-East India 2000 A.D: Perspective for futurology. Deep and Deep Pubs.

Chicago Style (17th ed.) Citation

Datta Ray, B. North-East India 2000 A.D: Perspective for Futurology. Deep and Deep Pubs, 1987.

MLA (9th ed.) Citation

Datta Ray, B. North-East India 2000 A.D: Perspective for Futurology. Deep and Deep Pubs, 1987.

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