APA (7th ed.) Citation

Nicas, M., Simmons, B. P., & Spear, R. C. (1991). Environmental versus analytical variability in exposure measurements. American Industrial Hygiene Association journal, 52(12), 553. https://doi.org/10.1080/15298669191365199

Chicago Style (17th ed.) Citation

Nicas, M., B P. Simmons, and R C. Spear. "Environmental Versus Analytical Variability in Exposure Measurements." American Industrial Hygiene Association Journal 52, no. 12 (1991): 553. https://doi.org/10.1080/15298669191365199.

MLA (9th ed.) Citation

Nicas, M., et al. "Environmental Versus Analytical Variability in Exposure Measurements." American Industrial Hygiene Association Journal, vol. 52, no. 12, 1991, p. 553, https://doi.org/10.1080/15298669191365199.