DG, P., MB, P., PH, C., DM, F., JS, H., EJ, S., & DD, B. (1984). Determination of steroid hormones in a human-serum reference material by isotope dilution--mass spectrometry: A candidate definitive method for cortisol. Clinical chemistry, 30(5), 619.
Chicago Style (17th ed.) CitationDG, Patterson, Patterson MB, Culbreth PH, Fast DM, Holler JS, Sampson EJ, and Bayse DD. "Determination of Steroid Hormones in a Human-serum Reference Material by Isotope Dilution--mass Spectrometry: A Candidate Definitive Method for Cortisol." Clinical Chemistry 30, no. 5 (1984): 619.
MLA (9th ed.) CitationDG, Patterson, et al. "Determination of Steroid Hormones in a Human-serum Reference Material by Isotope Dilution--mass Spectrometry: A Candidate Definitive Method for Cortisol." Clinical Chemistry, vol. 30, no. 5, 1984, p. 619.