APA
Callahan J. F. e., Clark L. H. e., . (1977). Teaching in the elementary school. New York: Macmillan.
Chicago
Callahan Joseph F ed, Clark Leonard H ed, . 1977. Teaching in the elementary school. New York: Macmillan.
Harvard
Callahan J. F. e., Clark L. H. e., . (1977). Teaching in the elementary school. New York: Macmillan.
MLA
Callahan Joseph F ed, Clark Leonard H ed, . Teaching in the elementary school. New York: Macmillan. 1977.