MLA

Van Thal, Joan H. Cleft Palate Speech : with an Appendix On Kindred Disorders. London: George Allen & Unwin, 1934.

APA

Van Thal, J. H. (1934). Cleft palate speech : with an appendix on kindred disorders. London: George Allen & Unwin.

Chicago

Van Thal, Joan H., Cleft Palate Speech: With an Appendix On Kindred Disorders. London: George Allen & Unwin, 1934.