APA Citation

Bhattacharyya, D. C., & Gangopadhyay, R. (2012). International relations since the twentieth century (7th ed.). Kolkata: Vijoya Pub. House.

Chicago Style Citation

Bhattacharyya, Dinesh Chandra, and Rajkumar Gangopadhyay. International Relations Since the Twentieth Century. 7th ed. Kolkata: Vijoya Pub. House, 2012.

MLA Citation

Bhattacharyya, Dinesh Chandra, and Rajkumar Gangopadhyay. International Relations Since the Twentieth Century. 7th ed. Kolkata: Vijoya Pub. House, 2012.

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