Cita APA (7a ed.)

Baldock, P., Fitzgerald, D., & Kay, J. (2013). Understanding early years policy (3rd edition.). SAGE.

Cita Chicago Style (17a ed.)

Baldock, Peter, Damien Fitzgerald, y Janet Kay. Understanding Early Years Policy. 3rd edition. Los Angeles: SAGE, 2013.

Cita MLA (9a ed.)

Baldock, Peter, et al. Understanding Early Years Policy. 3rd edition. SAGE, 2013.