Cita APA

Williams, L. R., & Fromberg, D. P. (2012). Encyclopedia of early childhood education. London ; New York: Routledge.

Citación estilo Chicago

Williams, Leslie R., and Doris Pronin Fromberg. Encyclopedia of Early Childhood Education. London ; New York: Routledge, 2012.

Cita MLA

Williams, Leslie R., and Doris Pronin Fromberg. Encyclopedia of Early Childhood Education. London ; New York: Routledge, 2012.