APA (7th ed.) Citation

RF, B., KE, H., & AK, M. (2001). Plasma selenium in specific and non-specific forms. BioFactors (Oxford, England), 14(1-4), 107. https://doi.org/10.1002/biof.5520140115

Chicago Style (17th ed.) Citation

RF, Burk, Hill KE, and Motley AK. "Plasma Selenium in Specific and Non-specific Forms." BioFactors (Oxford, England) 14, no. 1-4 (2001): 107. https://doi.org/10.1002/biof.5520140115.

MLA (9th ed.) Citation

RF, Burk, et al. "Plasma Selenium in Specific and Non-specific Forms." BioFactors (Oxford, England), vol. 14, no. 1-4, 2001, p. 107, https://doi.org/10.1002/biof.5520140115.