Cita APA (7a ed.)

Elfer, P., Goldschmied, E., & Selleck, D. Y. (2012). Key persons in the early years: Building relationships for quality provision in early years settings and primary schools (2nd ed.). Routledge.

Cita Chicago Style (17a ed.)

Elfer, Peter, Elinor Goldschmied, y Dorothy Y. Selleck. Key Persons in the Early Years: Building Relationships for Quality Provision in Early Years Settings and Primary Schools. 2nd ed. Oxon [England]: Routledge, 2012.

Cita MLA (9a ed.)

Elfer, Peter, et al. Key Persons in the Early Years: Building Relationships for Quality Provision in Early Years Settings and Primary Schools. 2nd ed. Routledge, 2012.