Cita APA (7a ed.)

Howard, J., & McInnes, K. (2013). The essence of play: A practice companion for professionals working with children and young people. Routledge.

Cita Chicago Style (17a ed.)

Howard, Justine, y Karen McInnes. The Essence of Play: A Practice Companion for Professionals Working with Children and Young People. Abingdon, Oxon: Routledge, 2013.

Cita MLA (8a ed.)

Howard, Justine, y Karen McInnes. The Essence of Play: A Practice Companion for Professionals Working with Children and Young People. Routledge, 2013.