Morris, B. J., Gray, R. H., Castellsague, X., Bosch, F. X., Halperin, D. T., Waskett, J. H., & Hankins, C. A. The Strong Protective Effect of Circumcision against Cancer of the Penis. Wiley.
Chicago Style (17th ed.) CitationMorris, Brian J., Ronald H. Gray, Xavier Castellsague, F. Xavier Bosch, Daniel T. Halperin, Jake H. Waskett, and Catherine A. Hankins. The Strong Protective Effect of Circumcision Against Cancer of the Penis. Wiley.
MLA (9th ed.) CitationMorris, Brian J., et al. The Strong Protective Effect of Circumcision Against Cancer of the Penis. Wiley.
Warning: These citations may not always be 100% accurate.