APA (7th ed.) Zitazioa

Hadfield, J. A. (1950). Psychology and mental health: A contribution to developmental psychology. Allen & Unwin.

Chicago Style (17th ed.) Zitazioa

Hadfield, James Arthur. Psychology and Mental Health: A Contribution to Developmental Psychology. London: Allen & Unwin, 1950.

MLA (9th ed.) Zitazioa

Hadfield, James Arthur. Psychology and Mental Health: A Contribution to Developmental Psychology. Allen & Unwin, 1950.