A Sufi saint of the twentieth century :
Shaikh Aḥmad al-ʻAlawi, his spiritual heritage and legacy /
by Martin Lings (Abu Bakr Siraj ed Din).

APA Citation

Lings, M. (1981). A Sufi saint of the twentieth century: Shaikh Aḥmad al-ʻAlawi, his spiritual heritage and legacy. 2nd ed., rev. and enl. Lahore: Suhail Academy.

MLA Citation

Lings, Martin. A Sufi Saint of the Twentieth Century: Shaikh Aḥmad Al-ʻAlawi, His Spiritual Heritage And Legacy. 2nd ed., rev. and enl. Lahore: Suhail Academy, 1981.

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