Cita APA (7a ed.)
Spellman, F. R., & Bieber, R. M. (2009). Occupational safety and health simplified for the chemical industry. Government Institutes/Scarecrow Press.
Cita Chicago Style (17a ed.)
Spellman, Frank R., y Revonna M. Bieber. Occupational Safety and Health Simplified for the Chemical Industry. Lanham, Md.: Government Institutes/Scarecrow Press, 2009.
Cita MLA (9a ed.)
Spellman, Frank R., y Revonna M. Bieber. Occupational Safety and Health Simplified for the Chemical Industry. Government Institutes/Scarecrow Press, 2009.
Precaución: Estas citas no son 100% exactas.