APA (7th ed.) Citation

Stefan Essig, Christoph Merlo, Oliver Reich, & Maria Trottmann. (2020). Potentially inappropriate testing for vitamin D deficiency: A cross-sectional study in Switzerland. BMC.

Chicago Style (17th ed.) Citation

Stefan Essig, Christoph Merlo, Oliver Reich, and Maria Trottmann. Potentially Inappropriate Testing for Vitamin D Deficiency: A Cross-sectional Study in Switzerland. BMC, 2020.

MLA (9th ed.) Citation

Stefan Essig, et al. Potentially Inappropriate Testing for Vitamin D Deficiency: A Cross-sectional Study in Switzerland. BMC, 2020.