Cita APA (7a ed.)

Rockwell, A. F., & Rockwell, L. (2008). Presidents' Day. HarperCollinsPublishers.

Cita Chicago Style (17a ed.)

Rockwell, Anne F., y Lizzy Rockwell. Presidents' Day. New York, NY: HarperCollinsPublishers, 2008.

Cita MLA (8a ed.)

Rockwell, Anne F., y Lizzy Rockwell. Presidents' Day. HarperCollinsPublishers, 2008.

Precaución: Estas citas no son 100% exactas.