Niekerk, G. (1986). The effect of temperature and humidity on respirator fit. [publisher not identified].
Chicago Style (17th ed.) CitationNiekerk, Gary. The Effect of Temperature and Humidity on Respirator Fit. [Place of publication not identified]: [publisher not identified], 1986.
MLA (9th ed.) CitationNiekerk, Gary. The Effect of Temperature and Humidity on Respirator Fit. [publisher not identified], 1986.
Warning: These citations may not always be 100% accurate.