Cite
Long-term ingestion of high flavanol cocoa provides photoprotection against UV-induced erythema and improves skin condition in women.
MLA
Heinrich, Ulrike, et al. “Long-Term Ingestion of High Flavanol Cocoa Provides Photoprotection against UV-Induced Erythema and Improves Skin Condition in Women.” Journal of Nutrition, vol. 136, no. 6, June 2006, pp. 1565–69. EBSCOhost, https://doi.org/10.1093/jn/136.6.1565.
APA
Heinrich, U., Neukam, K., Tronnier, H., Sies, H., & Stahl, W. (2006). Long-term ingestion of high flavanol cocoa provides photoprotection against UV-induced erythema and improves skin condition in women. Journal of Nutrition, 136(6), 1565–1569. https://doi.org/10.1093/jn/136.6.1565
Chicago
Heinrich, Ulrike, Karin Neukam, Hagen Tronnier, Helmut Sies, and Wilhelm Stahl. 2006. “Long-Term Ingestion of High Flavanol Cocoa Provides Photoprotection against UV-Induced Erythema and Improves Skin Condition in Women.” Journal of Nutrition 136 (6): 1565–69. doi:10.1093/jn/136.6.1565.