APA (7th ed.) Citation

Kremer, A., & Khuda Bukhsh, S. (1920). The Orient under the Caliphs. University of Calcutta.

Chicago Style (17th ed.) Citation

Kremer, Alfred, and S. Khuda Bukhsh. The Orient Under the Caliphs. [Calcutta]: University of Calcutta, 1920.

MLA (8th ed.) Citation

Kremer, Alfred, and S. Khuda Bukhsh. The Orient Under the Caliphs. University of Calcutta, 1920.