Cita APA

Petroski, H. (1993). The evolution of useful things. New York: Alfred A. Knopf.

Chicago Style Citation

Petroski, Henry. The Evolution of Useful Things. New York: Alfred A. Knopf, 1993.

Cita MLA

Petroski, Henry. The Evolution of Useful Things. New York: Alfred A. Knopf, 1993.

Atenció: Aquestes cites poden no estar 100% correctes.