Cita APA (7a ed.)

Warren, R., & Arulkumaran, S. (2009). Best Practice in Labour and Delivery. Cambridge University Press.

Cita Chicago Style (17a ed.)

Warren, Richard, y Sabaratnam Arulkumaran. Best Practice in Labour and Delivery. Leiden: Cambridge University Press, 2009.

Cita MLA (8a ed.)

Warren, Richard, y Sabaratnam Arulkumaran. Best Practice in Labour and Delivery. Cambridge University Press, 2009.