MLA

Johnson, Wendell, et al. Speech Handicapped School Children. New York: Harper, 1948.

APA

Johnson, W., Brown, S. F, Curtis, J. F, & Edney, C. W. (1948). Speech Handicapped school children. New York: Harper.

Chicago

Johnson, Wendell, Spencer F Brown, James F Curtis, and Clarence W Edney. Speech Handicapped School Children. New York: Harper, 1948.