APA (7th ed.) Citation

Azzam & Gauhar. (1978). The Challenge of Islam. Islamic Information Services.

Chicago Style (17th ed.) Citation

Azzam and Gauhar. The Challenge of Islam. Kuala Lumpur: Islamic Information Services, 1978.

MLA (8th ed.) Citation

Azzam and Gauhar. The Challenge of Islam. Islamic Information Services, 1978.

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