Cita APA (7th ed.)

Shah, I. (1971). Thinkers of the east. Penguin Books.

Cita Chicago (17th ed.)

Shah, Idries. Thinkers of the East. London: Penguin Books, 1971.

Cita MLA (9th ed.)

Shah, Idries. Thinkers of the East. Penguin Books, 1971.