Cita APA (7th ed.)

Castaneda, C. (1979). The second ring of power. Penguin Books.

Cita Chicago (17th ed.)

Castaneda, Carlos. The Second Ring of Power. Harmondsworth: Penguin Books, 1979.

Cita MLA (8th ed.)

Castaneda, Carlos. The Second Ring of Power. Penguin Books, 1979.