Cita APA (7th ed.)

Clarke, A. M., & Clarke, A. D. B. (1958). Mental deficiency: The changing outlook ([1st ed.].). Methuen.

Cita Chicago (17th ed.)

Clarke, Ann M., i A. D. B. Clarke. Mental Deficiency: The Changing Outlook. [1st ed.]. London: Methuen, 1958.

Cita MLA (8th ed.)

Clarke, Ann M., i A. D. B. Clarke. Mental Deficiency: The Changing Outlook. [1st ed.]. Methuen, 1958.