APA (7th ed.) Citation

Troll, C. W. (1995). Christianity and Islam: Mutual Challenges: Hans Zirker's recent work on Islam. Orientalia christiana periodica, 61(2), 571-580.

Chicago Style (17th ed.) Citation

Troll, Christian W. "Christianity and Islam: Mutual Challenges: Hans Zirker's Recent Work on Islam." Orientalia Christiana Periodica 61, no. 2 (1995): 571-580.

MLA (8th ed.) Citation

Troll, Christian W. "Christianity and Islam: Mutual Challenges: Hans Zirker's Recent Work on Islam." Orientalia Christiana Periodica, vol. 61, no. 2, 1995, pp. 571-580.