Three Muslim sages :
Avicenna, Suhrawardī, Ibn ʻArabī /
Seyyed Hossein Nasr.

APA Citation

Nasr, S. Hossein. (1964). Three Muslim sages: Avicenna, Suhrawardī, Ibn ʻArabī. Cambridge: Harvard University Press.

MLA Citation

Nasr, Seyyed Hossein. Three Muslim Sages: Avicenna, Suhrawardī, Ibn ʻArabī. Cambridge: Harvard University Press, 1964.

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