APA (7th ed.) Citation

Panikkar, K. M. (1959). Geographical factors in Indian history (2nd.). Bharatiya Vidya Bhavan.

Chicago Style (17th ed.) Citation

Panikkar, Kavalam Madhava. Geographical Factors in Indian History. 2nd. Bharatiya Vidya Bhavan, 1959.

MLA (9th ed.) Citation

Panikkar, Kavalam Madhava. Geographical Factors in Indian History. 2nd. Bharatiya Vidya Bhavan, 1959.

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