APA Citatie

Karlson, E. W., Shadick, N. A., Cook, N. R., Buring, J. E., & Lee, I. (2008). Vitamin E in the Primary Prevention of Rheumatoid Arthritis: The Women’s Health Study.

Chicago Style citaat

Karlson, Elizabeth W., Nancy A. Shadick, Nancy R. Cook, Julie E. Buring, en I-Min Lee. Vitamin E in the Primary Prevention of Rheumatoid Arthritis: The Women’s Health Study. 2008.

MLA citatie

Karlson, Elizabeth W., et al. Vitamin E in the Primary Prevention of Rheumatoid Arthritis: The Women’s Health Study. 2008.