Cita APA (7a ed.)

Arnold, K. C., & Flint, C. J. (2017). Obstetrics essentials: A question-based review. Springer.

Cita Chicago Style (17a ed.)

Arnold, Kate C., y Caroline J. Flint. Obstetrics Essentials: A Question-based Review. Cham: Springer, 2017.

Cita MLA (8a ed.)

Arnold, Kate C., y Caroline J. Flint. Obstetrics Essentials: A Question-based Review. Springer, 2017.