Cita APA (7a ed.)

Smith, P. K., & Connolly, K. J. (1980). The Ecology of preschool behaviour. Cambridge University Press.

Cita Chicago Style (17a ed.)

Smith, Peter K., y Kevin J. Connolly. The Ecology of Preschool Behaviour. Cambridge [etc.]: Cambridge University Press, 1980.

Cita MLA (9a ed.)

Smith, Peter K., y Kevin J. Connolly. The Ecology of Preschool Behaviour. Cambridge University Press, 1980.