Ryser, O., & Brown, J. (1990). A manual for tumbling and apparatus stunts. Wm.C. Brown Publishers.
Chicago Style (17th ed.) CitationRyser, Otto, and James Brown. A Manual for Tumbling and Apparatus Stunts. Iowa: Wm.C. Brown Publishers, 1990.
MLA (9th ed.) CitationRyser, Otto, and James Brown. A Manual for Tumbling and Apparatus Stunts. Wm.C. Brown Publishers, 1990.
Warning: These citations may not always be 100% accurate.