Spinelli, J. (2009). Knots in my yo-yo string.
Cita Chicago Style (17a ed.)Spinelli, Jerry. Knots in My Yo-yo String. 2009.
Cita MLA (8a ed.)Spinelli, Jerry. Knots in My Yo-yo String. 2009.
Precaución: Estas citas no son 100% exactas.
Cita APA (7a ed.)