Cita APA (7a ed.)

Towler, J., & Butler-Manuel, R. (1980). Modern obstetrics for student midwives (2nd ed.). Lloyd-Luke.

Cita Chicago Style (17a ed.)

Towler, Jean, y Roy Butler-Manuel. Modern Obstetrics for Student Midwives. 2nd ed. London: Lloyd-Luke, 1980.

Cita MLA (9a ed.)

Towler, Jean, y Roy Butler-Manuel. Modern Obstetrics for Student Midwives. 2nd ed. Lloyd-Luke, 1980.