Cita APA (7a ed.)

Pellegrini, A. D., Hoch, J., & Symons, F. J. (2013). Observing children in their natural worlds: A methodological primer (3rd ed.). Psychology Press.

Cita Chicago Style (17a ed.)

Pellegrini, Anthony D., John Hoch, y Frank James Symons. Observing Children in Their Natural Worlds: A Methodological Primer. 3rd ed. New York: Psychology Press, 2013.

Cita MLA (8a ed.)

Pellegrini, Anthony D., et al. Observing Children in Their Natural Worlds: A Methodological Primer. 3rd ed. Psychology Press, 2013.