Cita APA (7th ed.)

Siddiqui, M. (1977). Iqbal (a critical study).

Cita Chicago (17th ed.)

Siddiqui, Misbahi-ul-haq. Iqbal (a Critical Study). Lahore, Pakistan, Farhan Publishers, 1977.

Cita MLA (9th ed.)

Siddiqui, Misbahi-ul-haq. Iqbal (a Critical Study). 1977.