APA (7th ed.) Citation

Travis, R., Allen, N., Appleby, P., Spencer, E., Roddam, A., & Key, T. (2008). A prospective study of vegetarianism and isoflavone intake in relation to breast cancer risk in British women.

Chicago Style (17th ed.) Citation

Travis, R., N. Allen, P. Appleby, E. Spencer, A. Roddam, and T. Key. A Prospective Study of Vegetarianism and Isoflavone Intake in Relation to Breast Cancer Risk in British Women. 2008.

MLA (9th ed.) Citation

Travis, R., et al. A Prospective Study of Vegetarianism and Isoflavone Intake in Relation to Breast Cancer Risk in British Women. 2008.