Gruhn, W. T., & Douglass, H. R. (1947). The modern junior high school. Ronald Press Co.
Chicago Style (17th ed.) CitationGruhn, William Theodore, and Harl Roy Douglass. The Modern Junior High School. New York: Ronald Press Co, 1947.
MLA (9th ed.) CitationGruhn, William Theodore, and Harl Roy Douglass. The Modern Junior High School. Ronald Press Co, 1947.
Warning: These citations may not always be 100% accurate.