Cita APA

Li, Z., Romanoff, L. C., Lewin, M. D., Porter, E. N., Trinidad, D. A., Needham, L. L., . . . Sjödin, A. (2009). Variability of Urinary Concentrations of Polycyclic Aromatic Hydrocarbon Metabolite in General Population and Comparison of Spot, First-Morning, and 24-Hour Void Sampling. J Expo Sci Environ Epidemiol.

Chicago Style Citation

Li, Zheng, Lovisa C. Romanoff, Michael D. Lewin, Erin N. Porter, Debra A. Trinidad, Larry L. Needham, Donald G. Patterson, i Andreas Sjödin. "Variability of Urinary Concentrations of Polycyclic Aromatic Hydrocarbon Metabolite in General Population and Comparison of Spot, First-Morning, and 24-Hour Void Sampling." J Expo Sci Environ Epidemiol 2009.

Cita MLA

Li, Zheng, et al. "Variability of Urinary Concentrations of Polycyclic Aromatic Hydrocarbon Metabolite in General Population and Comparison of Spot, First-Morning, and 24-Hour Void Sampling." J Expo Sci Environ Epidemiol 2009.