Cita APA (7th ed.)

Gibb, H. R. Mohammedanism: An historical survey.

Cita Chicago (17th ed.)

Gibb, H.A. R. Mohammedanism: An Historical Survey.

Cita MLA (9th ed.)

Gibb, H.A. R. Mohammedanism: An Historical Survey.

Atenció: Aquestes cites poden no estar 100% correctes.