Cita APA (7a ed.)

Roper, I., & Tiegreen, A. (2001). Yo-Yo's: Tricks to amaze your friends. HarperCollins Publishers.

Cita Chicago Style (17a ed.)

Roper, Ingrid, y Alan Tiegreen. Yo-Yo's: Tricks to Amaze Your Friends. New York: HarperCollins Publishers, 2001.

Cita MLA (8a ed.)

Roper, Ingrid, y Alan Tiegreen. Yo-Yo's: Tricks to Amaze Your Friends. HarperCollins Publishers, 2001.

Precaución: Estas citas no son 100% exactas.