Cite
Obstetrics and Gynecology Clinics of North America. HPV, colposcopy, and prevention of squamous anogenital tract malignancy. Preface.
MLA
Waxman, Alan G., and Maria Lina Diaz. “Obstetrics and Gynecology Clinics of North America. HPV, Colposcopy, and Prevention of Squamous Anogenital Tract Malignancy. Preface.” Obstetrics and Gynecology Clinics of North America, vol. 40, no. 2, June 2013, pp. xv–xvi. EBSCOhost, https://doi.org/10.1016/j.ogc.2013.03.009.
APA
Waxman, A. G., & Diaz, M. L. (2013). Obstetrics and Gynecology Clinics of North America. HPV, colposcopy, and prevention of squamous anogenital tract malignancy. Preface. Obstetrics and Gynecology Clinics of North America, 40(2), xv–xvi. https://doi.org/10.1016/j.ogc.2013.03.009
Chicago
Waxman, Alan G, and Maria Lina Diaz. 2013. “Obstetrics and Gynecology Clinics of North America. HPV, Colposcopy, and Prevention of Squamous Anogenital Tract Malignancy. Preface.” Obstetrics and Gynecology Clinics of North America 40 (2): xv–xvi. doi:10.1016/j.ogc.2013.03.009.