MLA

World Health Organization, et al. Monitoring Emergency Obstetric Care : A Handbook. Geneva: World Health Organization, 2009.

APA

World Health Organization, W. Health Organization, Bailey, P., Fortney, J. A, Lobis, S., & Maine, D. (2009). Monitoring Emergency Obstetric Care : A Handbook. Geneva: World Health Organization.

Chicago

World Health Organization, Patsy Bailey, Judith A Fortney, Samantha Lobis, and Deborah Maine. Monitoring Emergency Obstetric Care : A Handbook. Geneva: World Health Organization, 2009.