Cita APA (7a ed.)

Baker, K. (1999). Quack and count. Harcourt Brace.

Cita Chicago Style (17a ed.)

Baker, Keith. Quack and Count. San Diego: Harcourt Brace, 1999.

Cita MLA (8a ed.)

Baker, Keith. Quack and Count. Harcourt Brace, 1999.

Precaución: Estas citas no son 100% exactas.