Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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