Cita APA (7th ed.)
Gruen, G. J. (1953). Tool engineers' Data Book. Reinhold.
Cita Chicago (17th ed.)
Gruen, Gerhard J. Tool Engineers' Data Book. New York: Reinhold, 1953.
Cita MLA (9th ed.)
Gruen, Gerhard J. Tool Engineers' Data Book. Reinhold, 1953.
Atenció: Aquestes cites poden no estar 100% correctes.