APA

Stefflre B., Burks H. M. & Stefflre B. (19651972). Theories of counseling. New York: McGraw-Hill.

Chicago

Stefflre Buford, Burks Herbert M and Stefflre Buford. 19651972. Theories of counseling. New York: McGraw-Hill.

Harvard

Stefflre B., Burks H. M. and Stefflre B. (19651972). Theories of counseling. New York: McGraw-Hill.

MLA

Stefflre Buford, Burks Herbert M and Stefflre Buford. Theories of counseling. New York: McGraw-Hill. 19651972.