Παραπομπή σε μορφή APA (7η εκδ.)

Nicholson, R. A. (1964). The idea of personality in Sufism: Three lectures delivered in the University of London. Sh. Muhammad Ashraf.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nicholson, Reynold Alleyne. The Idea of Personality in Sufism: Three Lectures Delivered in the University of London. Lahore: Sh. Muhammad Ashraf, 1964.

Παραπομπή σε μορφή MLA (9th εκδ.)

Nicholson, Reynold Alleyne. The Idea of Personality in Sufism: Three Lectures Delivered in the University of London. Sh. Muhammad Ashraf, 1964.