APA

Johnston E. G., . (1952). Student activities in secondary schools: enrichment of the educational program. New York: Ronald Press Co.

Chicago

Johnston Edgar Grant, . 1952. Student activities in secondary schools: enrichment of the educational program. New York: Ronald Press Co.

Harvard

Johnston E. G., . (1952). Student activities in secondary schools: enrichment of the educational program. New York: Ronald Press Co.

MLA

Johnston Edgar Grant, . Student activities in secondary schools: enrichment of the educational program. New York: Ronald Press Co. 1952.