Παραπομπή APA

Haykal, M. H. (1995). The life of Muhammad. Crescent.

Παραπομπή Chicago Style

Haykal, Muhammad Husayn. The Life of Muhammad. New Delhi: Crescent, 1995.

Παραπομπή MLA

Haykal, Muhammad Husayn. The Life of Muhammad. Crescent, 1995.