ʿAbd-al-Qādir al-Ǧīlānī, I., & Bayrak, T. (1992). The secret of Secrets (1. publ.). Islamic Texts Society.
Chicago Style (17th ed.) CitationʿAbd-al-Qādir al-Ǧīlānī, Ibn-Abī-Ṣāliḥ, and Tosun Bayrak. The Secret of Secrets. 1. publ. Cambridge: Islamic Texts Society, 1992.
MLA (8th ed.) CitationʿAbd-al-Qādir al-Ǧīlānī, Ibn-Abī-Ṣāliḥ, and Tosun Bayrak. The Secret of Secrets. 1. publ. Islamic Texts Society, 1992.
Warning: These citations may not always be 100% accurate.