APA (7th ed.) Citation

Busse, H., & Spuler, B. (1990). Bertold Spuler (1911-1990). Der Islam, 67, 199-205.

Chicago Style (17th ed.) Citation

Busse, Heribert, and Bertold Spuler. "Bertold Spuler (1911-1990)." Der Islam 67 (1990): 199-205.

MLA (9th ed.) Citation

Busse, Heribert, and Bertold Spuler. "Bertold Spuler (1911-1990)." Der Islam, vol. 67, 1990, pp. 199-205.