Cita APA (7th ed.)

RUTHVEN, M. (1985). Islam in the world. Pinguin Book.

Cita Chicago (17th ed.)

RUTHVEN, Malise. Islam in the World. Victoria: Pinguin Book, 1985.

Cita MLA (9th ed.)

RUTHVEN, Malise. Islam in the World. Pinguin Book, 1985.