APA (7th ed.) Citation

Picken, G. N. (2011). Spiritual purification in Islam: The life and works of al-Muḥāsibī. Routledge Sufi series.

Chicago Style (17th ed.) Citation

Picken, Gavin N. "Spiritual Purification in Islam: The Life and Works of Al-Muḥāsibī." Routledge Sufi Series 2011.

MLA (8th ed.) Citation

Picken, Gavin N. "Spiritual Purification in Islam: The Life and Works of Al-Muḥāsibī." Routledge Sufi Series, 2011.