Cita APA (7a ed.)

Rounds, G. (1989). Old MacDonald had a farm. Holiday House.

Cita Chicago Style (17a ed.)

Rounds, Glen. Old MacDonald Had a Farm. New York: Holiday House, 1989.

Cita MLA (8a ed.)

Rounds, Glen. Old MacDonald Had a Farm. Holiday House, 1989.

Precaución: Estas citas no son 100% exactas.