APA
Hagman H. L., Schwartz A., . (1955). Administration in profile for school executives. New York: Harper & Brothers.
Chicago
Hagman Harlan L, Schwartz Alfred, . 1955. Administration in profile for school executives. New York: Harper & Brothers.
Harvard
Hagman H. L., Schwartz A., . (1955). Administration in profile for school executives. New York: Harper & Brothers.
MLA
Hagman Harlan L, Schwartz Alfred, . Administration in profile for school executives. New York: Harper & Brothers. 1955.