Cita APA (7a ed.)

West, K., & Kenen, J. (2010). The sleep lady's good night, sleep tight: Gentle proven solutions to help your child sleep well and wake up happy (Rev. ed.). Vanguard Press.

Cita Chicago Style (17a ed.)

West, Kim, y Joanne Kenen. The Sleep Lady's Good Night, Sleep Tight: Gentle Proven Solutions to Help Your Child Sleep Well and Wake Up Happy. Rev. ed. New York: Vanguard Press, 2010.

Cita MLA (8a ed.)

West, Kim, y Joanne Kenen. The Sleep Lady's Good Night, Sleep Tight: Gentle Proven Solutions to Help Your Child Sleep Well and Wake Up Happy. Rev. ed. Vanguard Press, 2010.

Precaución: Estas citas no son 100% exactas.