APA (7th ed.) Citation

Halm, H. (1997). The Fatimids and their traditions of learning. Ismaili heritage series.

Chicago Style (17th ed.) Citation

Halm, Heinz. "The Fatimids and Their Traditions of Learning." Ismaili Heritage Series 1997.

MLA (8th ed.) Citation

Halm, Heinz. "The Fatimids and Their Traditions of Learning." Ismaili Heritage Series, 1997.

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