Cita APA (7th ed.)

Speegle, M. (2013). Safety, health, and environmental concepts for the process industry (2nd ed.). Delmar, Cengage Learning.

Cita Chicago (17th ed.)

Speegle, Michael. Safety, Health, and Environmental Concepts for the Process Industry. 2nd ed. Clifton Park, NY: Delmar, Cengage Learning, 2013.

Cita MLA (9th ed.)

Speegle, Michael. Safety, Health, and Environmental Concepts for the Process Industry. 2nd ed. Delmar, Cengage Learning, 2013.