APA (7th ed.) Citation

Havemann, A., & Johansen, B. (1988). Einleitung. Die Welt des Islams, 28(1/4), 1-2. doi:10.1163/157006088X00032

Chicago Style (17th ed.) Citation

Havemann, Axel, and Baber Johansen. "Einleitung." Die Welt Des Islams 28, no. 1/4 (1988): 1-2, https://doi.org/10.1163/157006088X00032.

MLA (8th ed.) Citation

Havemann, Axel, and Baber Johansen. "Einleitung." Die Welt Des Islams, vol. 28, no. 1/4, 1988, pp. 1-2, https://doi.org/10.1163/157006088X00032.

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