Cita APA (7a ed.)

Witek, J., & Roussey, C. (2012). Hello in there!: A big sister's book of waiting. Abrams Appleseed.

Cita Chicago Style (17a ed.)

Witek, Jo, y Christine Roussey. Hello in There!: A Big Sister's Book of Waiting. New York, NY: Abrams Appleseed, 2012.

Cita MLA (8a ed.)

Witek, Jo, y Christine Roussey. Hello in There!: A Big Sister's Book of Waiting. Abrams Appleseed, 2012.

Precaución: Estas citas no son 100% exactas.