APA (7th ed.) Citation

Simmons, R. J., Fox, M. J., Johnston, W. L., & Russell, L. H. (1993). Validation of a technique for the assessment of occupational exposure to methanol vapor.

Chicago Style (17th ed.) Citation

Simmons, Rodney James, Milden J. Fox, Waymon L. Johnston, and Leon H. Russell. Validation of a Technique for the Assessment of Occupational Exposure to Methanol Vapor. 1993.

MLA (9th ed.) Citation

Simmons, Rodney James, et al. Validation of a Technique for the Assessment of Occupational Exposure to Methanol Vapor. 1993.