Cita APA (7a ed.)

Willis, J., & Reynolds, A. (2013). Upside down babies (American edition.). Andersen Press USA : Distributed in the United States by Lerner Publishing Group, Inc..

Cita Chicago Style (17a ed.)

Willis, Jeanne, y Adrian Reynolds. Upside Down Babies. American edition. Minneapolis, MN: Andersen Press USA : Distributed in the United States by Lerner Publishing Group, Inc., 2013.

Cita MLA (8a ed.)

Willis, Jeanne, y Adrian Reynolds. Upside Down Babies. American edition. Andersen Press USA : Distributed in the United States by Lerner Publishing Group, Inc., 2013.

Precaución: Estas citas no son 100% exactas.