Citazione APA

Pirsig, R. M. (1974). Zen and the art of Motorcycle Maintenance: An inquiry into values (1st.). New York Times.

Stile di citazione Chicago

Pirsig, Robert M. Zen and the Art of Motorcycle Maintenance: An Inquiry into Values. 1st. New York: New York Times, 1974.

Citazione MLA

Pirsig, Robert M. Zen and the Art of Motorcycle Maintenance: An Inquiry into Values. 1st. New York Times, 1974.