APA (7th ed.) Citation

Esswein, E. J., & Roegner, K. (1999). U.S. Department of Agriculture, U.S. Forest Service, Pacific Northwest Region Portland Oregon. U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health.

Chicago Style (17th ed.) Citation

Esswein, Eric J., and Kevin Roegner. U.S. Department of Agriculture, U.S. Forest Service, Pacific Northwest Region Portland Oregon. [Atlanta, Ga.]: U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 1999.

MLA (9th ed.) Citation

Esswein, Eric J., and Kevin Roegner. U.S. Department of Agriculture, U.S. Forest Service, Pacific Northwest Region Portland Oregon. U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 1999.