APA

Peters T. J., Weiner C. P. & Wildschut H. I. J. (2006). When to screen in obstetrics and gynecology. Filadelfia (Pensilvania, Estados Unidos): Saunders Elsevier.

Chicago

Peters Tim J, Weiner Carl P and Wildschut H I J. 2006. When to screen in obstetrics and gynecology. Filadelfia (Pensilvania, Estados Unidos): Saunders Elsevier.

Harvard

Peters T. J., Weiner C. P. and Wildschut H. I. J. (2006). When to screen in obstetrics and gynecology. Filadelfia (Pensilvania, Estados Unidos): Saunders Elsevier.

MLA

Peters Tim J, Weiner Carl P and Wildschut H I J. When to screen in obstetrics and gynecology. Filadelfia (Pensilvania, Estados Unidos): Saunders Elsevier. 2006.