Cita APA (7a ed.)

Murphy, S. J., & Speirs, J. (2005). It's about time! HarperCollins.

Cita Chicago Style (17a ed.)

Murphy, Stuart J., y John Speirs. It's About Time! New York: HarperCollins, 2005.

Cita MLA (8a ed.)

Murphy, Stuart J., y John Speirs. It's About Time! HarperCollins, 2005.

Precaución: Estas citas no son 100% exactas.