APA

Williamson E. G., . (1961). Student personnel services in colleges and universities: some foundations, techniques, and processes of program administration. New York: McGraw-Hill.

Chicago

Williamson E G, . 1961. Student personnel services in colleges and universities: some foundations, techniques, and processes of program administration. New York: McGraw-Hill.

Harvard

Williamson E. G., . (1961). Student personnel services in colleges and universities: some foundations, techniques, and processes of program administration. New York: McGraw-Hill.

MLA

Williamson E G, . Student personnel services in colleges and universities: some foundations, techniques, and processes of program administration. New York: McGraw-Hill. 1961.