Ryser, O. E. (1951). A teacher's manual for tumbling and apparatus stunts (3d rev. ed.). Wm. C. Brown Co..
Chicago Style (17th ed.) CitationRyser, Otto Elmer. A Teacher's Manual for Tumbling and Apparatus Stunts. 3d rev. ed. Dubuque, Iowa: Wm. C. Brown Co., 1951.
MLA (9th ed.) CitationRyser, Otto Elmer. A Teacher's Manual for Tumbling and Apparatus Stunts. 3d rev. ed. Wm. C. Brown Co., 1951.
Warning: These citations may not always be 100% accurate.