توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Crowe, F., Steur, M., Allen, N., Appleby, P., Travis, R., & Key, T. (2010). Plasma concentrations of 25-hydroxyvitamin D in meat eaters, fish eaters, vegetarians and vegans: Results from the EPIC-Oxford study.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Crowe, F., M. Steur, N. Allen, P. Appleby, R. Travis, و T. Key. Plasma Concentrations of 25-hydroxyvitamin D in Meat Eaters, Fish Eaters, Vegetarians and Vegans: Results from the EPIC-Oxford Study. 2010.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Crowe, F., et al. Plasma Concentrations of 25-hydroxyvitamin D in Meat Eaters, Fish Eaters, Vegetarians and Vegans: Results from the EPIC-Oxford Study. 2010.