Cita APA (7a ed.)

Urwin, C., & Sternberg, J. (2012). Infant observation and research: Emotional processes in everyday lives. Routledge.

Cita Chicago Style (17a ed.)

Urwin, Cathy, y Janine Sternberg. Infant Observation and Research: Emotional Processes in Everyday Lives. East Sussex [England]: Routledge, 2012.

Cita MLA (8a ed.)

Urwin, Cathy, y Janine Sternberg. Infant Observation and Research: Emotional Processes in Everyday Lives. Routledge, 2012.