APA (7th ed.) Citation

Birkner, L. R., Held, B. J., & Held, B. E. (1980). Respiratory protection: A manual and guideline. American Industrial Hygiene Association.

Chicago Style (17th ed.) Citation

Birkner, Lawrence R., Bruce J. Held, and Beryl E. Held. Respiratory Protection: A Manual and Guideline. Akron, Ohio: American Industrial Hygiene Association, 1980.

MLA (9th ed.) Citation

Birkner, Lawrence R., et al. Respiratory Protection: A Manual and Guideline. American Industrial Hygiene Association, 1980.