Azzam & Gauhar. (1978). The Challenge of Islam. Islamic Information Services.
Chicago Style (17th ed.) CitationAzzam and Gauhar. The Challenge of Islam. Kuala Lumpur: Islamic Information Services, 1978.
MLA (8th ed.) CitationAzzam and Gauhar. The Challenge of Islam. Islamic Information Services, 1978.
Warning: These citations may not always be 100% accurate.