Cita APA (7th ed.)
Manuele, F. A. (2013). On the practice of safety (4th ed.). John Wiley & Sons, Inc..
Cita Chicago (17th ed.)
Manuele, Fred A. On the Practice of Safety. 4th ed. Hoboken, N.J.: John Wiley & Sons, Inc., 2013.
Cita MLA (9th ed.)
Manuele, Fred A. On the Practice of Safety. 4th ed. John Wiley & Sons, Inc., 2013.
Atenció: Aquestes cites poden no estar 100% correctes.