APA

Hahn M. E., MacLean M. S., . (1950). General clinical counseling in educational institutions. New York: McGraw-Hill.

Chicago

Hahn Milton E, MacLean Malcolm Shaw, . 1950. General clinical counseling in educational institutions. New York: McGraw-Hill.

Harvard

Hahn M. E., MacLean M. S., . (1950). General clinical counseling in educational institutions. New York: McGraw-Hill.

MLA

Hahn Milton E, MacLean Malcolm Shaw, . General clinical counseling in educational institutions. New York: McGraw-Hill. 1950.