APA (7th ed.) Citation

Pugh, G., & Duffy, B. (2006). Contemporary issues in the early years (4th ed.). Sage.

Chicago Style (17th ed.) Citation

Pugh, Gillian, and Bernadette Duffy. Contemporary Issues in the Early Years. 4th ed. London: Sage, 2006.

MLA (9th ed.) Citation

Pugh, Gillian, and Bernadette Duffy. Contemporary Issues in the Early Years. 4th ed. Sage, 2006.