Cita APA (7th ed.)

REUWER, P., Bruines, H., & Franx, A. (2009). Proactive support of labor: The challenge of normal childbirth. Cambridge University Press.

Cita Chicago (17th ed.)

REUWER, Paul, Hein Bruines, i Arie Franx. Proactive Support of Labor: The Challenge of Normal Childbirth. Cambridge University Press, 2009.

Cita MLA (9th ed.)

REUWER, Paul, et al. Proactive Support of Labor: The Challenge of Normal Childbirth. Cambridge University Press, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.