APA (7th ed.) Citation

Sykes, M. (1915). The Caliphs' last Heritage. Macmillan.

Chicago Style (17th ed.) Citation

Sykes, Mark. The Caliphs' Last Heritage. London: Macmillan, 1915.

MLA (9th ed.) Citation

Sykes, Mark. The Caliphs' Last Heritage. Macmillan, 1915.

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