Cita APA (7th ed.)

Cohen, W. R., & Friedman, E. A. (2011). Labor and delivery care: A practical guide. Wiley-Blackwell.

Cita Chicago (17th ed.)

Cohen, Wayne R., i Emanuel A. Friedman. Labor and Delivery Care: A Practical Guide. Chichester, West Sussex: Wiley-Blackwell, 2011.

Cita MLA (9th ed.)

Cohen, Wayne R., i Emanuel A. Friedman. Labor and Delivery Care: A Practical Guide. Wiley-Blackwell, 2011.