APA (7th ed.) Citation

Madelung, W., & Schmidtke, S. (2012). Studies in medieval Shi'ism. Variorum collected studies series.

Chicago Style (17th ed.) Citation

Madelung, Wilferd, and Sabine Schmidtke. "Studies in Medieval Shi'ism." Variorum Collected Studies Series 2012.

MLA (8th ed.) Citation

Madelung, Wilferd, and Sabine Schmidtke. "Studies in Medieval Shi'ism." Variorum Collected Studies Series, 2012.

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