Cita APA (7a ed.)

Sullivan, G. (2020). Scholastic book of presidents 2020. Scholastic Inc..

Cita Chicago Style (17a ed.)

Sullivan, George. Scholastic Book of Presidents 2020. New York, NY: Scholastic Inc., 2020.

Cita MLA (8a ed.)

Sullivan, George. Scholastic Book of Presidents 2020. Scholastic Inc., 2020.

Precaución: Estas citas no son 100% exactas.