APA (7th ed.) Citation

Das, D. North-east India - A brief survey of its history and civilisation.

Chicago Style (17th ed.) Citation

Das, D.N. North-east India - A Brief Survey of Its History and Civilisation. [s.l.].

MLA (9th ed.) Citation

Das, D.N. North-east India - A Brief Survey of Its History and Civilisation.

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