Cita APA (7a ed.)
Stephans, R. A., & Stephenson, J. (2004). System safety for the 21st century (Updated and rev. ed. of System safety 2000.). Wiley-Interscience.
Cita Chicago Style (17a ed.)
Stephans, Richard A., y Joe Stephenson. System Safety for the 21st Century. Updated and rev. ed. of System safety 2000. Hoboken, N.J.: Wiley-Interscience, 2004.
Cita MLA (9a ed.)
Stephans, Richard A., y Joe Stephenson. System Safety for the 21st Century. Updated and rev. ed. of System safety 2000. Wiley-Interscience, 2004.
Precaución: Estas citas no son 100% exactas.