Cita APA

Jenkins, S., & Page, R. (2011). Time to sleep. Houghton Mifflin.

Citación estilo Chicago

Jenkins, Steve, and Robin Page. Time to Sleep. Boston: Houghton Mifflin, 2011.

Cita MLA

Jenkins, Steve, and Robin Page. Time to Sleep. Houghton Mifflin, 2011.

Warning: These citations may not always be 100% accurate.