Levine, G. C., Elliott, M., & Andersen, H. C. (1999). The princess test. HarperCollinsPublishers.
Cita Chicago Style (17a ed.)Levine, Gail Carson, Mark Elliott, y H. C. Andersen. The Princess Test. New York: HarperCollinsPublishers, 1999.
Cita MLA (8a ed.)Levine, Gail Carson, et al. The Princess Test. HarperCollinsPublishers, 1999.
Precaución: Estas citas no son 100% exactas.