APA Citatie

Frame, L. A., Fischer, J. P., Geller, G., & Cheskin, L. J. (2018). Use of Placebo in Supplementation Studies—Vitamin D Research Illustrates an Ethical Quandary. Nutrients.

Chicago Style citaat

Frame, Leigh A., Jonathan P. Fischer, Gail Geller, en Lawrence J. Cheskin. "Use of Placebo in Supplementation Studies—Vitamin D Research Illustrates an Ethical Quandary." Nutrients 2018.

MLA citatie

Frame, Leigh A., Jonathan P. Fischer, Gail Geller, en Lawrence J. Cheskin. "Use of Placebo in Supplementation Studies—Vitamin D Research Illustrates an Ethical Quandary." Nutrients 2018.