Cita APA (7a ed.)

WENTZ, C. A. (1998). Safety, healt, and environmental protection. McGraw-Hill.

Cita Chicago Style (17a ed.)

WENTZ, Charles A. Safety, Healt, and Environmental Protection. McGraw-Hill, 1998.

Cita MLA (8a ed.)

WENTZ, Charles A. Safety, Healt, and Environmental Protection. McGraw-Hill, 1998.