Cita APA

Williams, J. W. (1997). Obstetrics: A text-book for the use of students and practitioners. Stamford: APPLETON & LANGE.

Citación estilo Chicago

Williams, J. Whitridge. Obstetrics: A Text-book for the Use of Students and Practitioners. Stamford: APPLETON & LANGE, 1997.

Cita MLA

Williams, J. Whitridge. Obstetrics: A Text-book for the Use of Students and Practitioners. Stamford: APPLETON & LANGE, 1997.