Cita APA (7a ed.)

Hansen, K. (2010). Children of the 21st century (Volume 2): The first five years. Policy Press.

Cita Chicago Style (17a ed.)

Hansen, Kristine. Children of the 21st Century (Volume 2): The First Five Years. Bristol: Policy Press, 2010.

Cita MLA (8a ed.)

Hansen, Kristine. Children of the 21st Century (Volume 2): The First Five Years. Policy Press, 2010.