APA (7th ed.) Citation

Gibb, H. A. R., & Kramers, J. H. Shorter encyclopaedia of Islam.

Chicago Style (17th ed.) Citation

Gibb, H. A. R., and J. H. Kramers. Shorter Encyclopaedia of Islam.

MLA (8th ed.) Citation

Gibb, H. A. R., and J. H. Kramers. Shorter Encyclopaedia of Islam.

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