APA (7th ed.) Citation

Keller, C. (1991). Sufismus in Europa. Der Islam in Bewegung, 130-165.

Chicago Style (17th ed.) Citation

Keller, Carl-Albert. "Sufismus in Europa." Der Islam in Bewegung 1991: 130-165.

MLA (8th ed.) Citation

Keller, Carl-Albert. "Sufismus in Europa." Der Islam in Bewegung, 1991, pp. 130-165.

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