APA (7th ed.) Citation

Lewis, B. (1971). The encyclopaedia of Islam. The encyclopaedia of Islam.

Chicago Style (17th ed.) Citation

Lewis, B. "The Encyclopaedia of Islam." The Encyclopaedia of Islam 1971.

MLA (8th ed.) Citation

Lewis, B. "The Encyclopaedia of Islam." The Encyclopaedia of Islam, 1971.

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