Cita APA (7a ed.)

Butler, R. J., & Park, Y. (2005). Safety practices, firm culture, and workplace injuries. W.E. Upjohn Institute for Employment Research.

Cita Chicago Style (17a ed.)

Butler, Richard J., y Yong-Seung Park. Safety Practices, Firm Culture, and Workplace Injuries. Kalamazoo, MI: W.E. Upjohn Institute for Employment Research, 2005.

Cita MLA (8a ed.)

Butler, Richard J., y Yong-Seung Park. Safety Practices, Firm Culture, and Workplace Injuries. W.E. Upjohn Institute for Employment Research, 2005.