APA (7th ed.) Citation

Holt, P. M., & Holt, P. M. (1973). Studies in the history of the Near East. Cass.

Chicago Style (17th ed.) Citation

Holt, P. M., and P. M. Holt. Studies in the History of the Near East. London [u.a.]: Cass, 1973.

MLA (8th ed.) Citation

Holt, P. M., and P. M. Holt. Studies in the History of the Near East. Cass, 1973.