Cita APA (7a ed.)

Ballaster. The Principles of Sufism. NYU Press.

Cita Chicago Style (17a ed.)

Ballaster. The Principles of Sufism. NYU Press.

Cita MLA (8a ed.)

Ballaster. The Principles of Sufism. NYU Press.

Precaución: Estas citas no son 100% exactas.