The three rings :
textual studies in the historical trialogue of Judaism, Christianity, and Islam /
[edited by] Barbara Roggema, Marcel Poorthuis, Pim Valkenberg.

APA Citation

Valkenberg, P., Poorthuis, M., Roggema, B. (2005). The three rings: textual studies in the historical trialogue of Judaism, Christianity, and Islam. Leuven: Peeters.

MLA Citation

Valkenberg, Pim, 1954-, Marcel Poorthuis, and Barbara Roggema. The Three Rings: Textual Studies In the Historical Trialogue of Judaism, Christianity, And Islam. Leuven: Peeters, 2005.

Warning: These citations may not always be complete (especially for serials).