APA (7th ed.) Citation

Gibb, H. A. R. . [. .. (1979). The encyclopaedia of Islam. Brill.

Chicago Style (17th ed.) Citation

Gibb, H. A. R. []. The Encyclopaedia of Islam. Leiden: Brill, 1979.

MLA (9th ed.) Citation

Gibb, H. A. R. []. The Encyclopaedia of Islam. Brill, 1979.

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