Cita APA (7a ed.)

Patterson, J., & Paetro, M. (2021). 21st birthday (First edition.). Little, Brown and Company.

Cita Chicago Style (17a ed.)

Patterson, James, y Maxine Paetro. 21st Birthday. First edition. New York: Little, Brown and Company, 2021.

Cita MLA (8a ed.)

Patterson, James, y Maxine Paetro. 21st Birthday. First edition. Little, Brown and Company, 2021.

Precaución: Estas citas no son 100% exactas.