APA (7th ed.) Citation

Collingwood, T., Hoffman, R., & Sammann, P. (1995). Safety procedures.

Chicago Style (17th ed.) Citation

Collingwood, T.R, R. Hoffman, and P. Sammann. Safety Procedures. 1995.

MLA (9th ed.) Citation

Collingwood, T.R, et al. Safety Procedures. 1995.