APA引文

Berg, J. M., Clarke, A. D. B., & Clarke, A. M. (1985). Mental deficiency the changing outlook (4.).

Chicago Edition Citation

Berg, Joseph M., Alan D B. Clarke, and Ann M. Clarke. Mental Deficiency the Changing Outlook. 4. New York, The Free Press, 1985.

MLA引文

Berg, Joseph M., et al. Mental Deficiency the Changing Outlook. 4. 1985.