APA (7th ed.) Citation

O'Leary, D. L.. (1987). A short history of the Fatimid khalifate. Renaissance Publishing House.

Chicago Style (17th ed.) Citation

O'Leary, De Lacy. A Short History of the Fatimid Khalifate. Delhi: Renaissance Publishing House, 1987.

MLA (9th ed.) Citation

O'Leary, De Lacy. A Short History of the Fatimid Khalifate. Renaissance Publishing House, 1987.

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