Cita APA (7a ed.)

Blade, A., & Tucker, E. N. (2009). Trillion: The three-headed lion. Scholastic Inc..

Cita Chicago Style (17a ed.)

Blade, Adam, y Ezra N. Tucker. Trillion: The Three-headed Lion. New York: Scholastic Inc., 2009.

Cita MLA (8a ed.)

Blade, Adam, y Ezra N. Tucker. Trillion: The Three-headed Lion. Scholastic Inc., 2009.

Precaución: Estas citas no son 100% exactas.