APA

Turner C. A., . (1954). A practical manual of effective supervision. New York: The Julian Press, Inc.

Chicago

Turner C A, . 1954. A practical manual of effective supervision. New York: The Julian Press, Inc.

Harvard

Turner C. A., . (1954). A practical manual of effective supervision. New York: The Julian Press, Inc.

MLA

Turner C A, . A practical manual of effective supervision. New York: The Julian Press, Inc. 1954.