APA ציטוט

Spelce, D., Rehak, T. R., Metzler, R. W., & Johnson, J. S. (2019). History of U.S. Respirator Approval (Continued) Particulate Respirators. J Int Soc Respir Prot.

Citação norma Chicago

Spelce, David, Timothy R. Rehak, Richard W. Metzler, and James S. Johnson. "History of U.S. Respirator Approval (Continued) Particulate Respirators." J Int Soc Respir Prot 2019.

ציטוט MLA

Spelce, David, Timothy R. Rehak, Richard W. Metzler, and James S. Johnson. "History of U.S. Respirator Approval (Continued) Particulate Respirators." J Int Soc Respir Prot 2019.