Cita APA (7a ed.)

Bruce, T., & McCall, G. (2015). Observing young children. SAGE.

Cita Chicago Style (17a ed.)

Bruce, Tina, y Georgie McCall. Observing Young Children. Los Angeles, Calif: SAGE, 2015.

Cita MLA (9a ed.)

Bruce, Tina, y Georgie McCall. Observing Young Children. SAGE, 2015.