Ryser, O. E., & Brown, J. R. (1980). A manual for tumbling and apparatus stunts (7th ed.). W. C. Brown Co..
Chicago Style (17th ed.) CitationRyser, Otto E., and James Rollar Brown. A Manual for Tumbling and Apparatus Stunts. 7th ed. Dubuque, Iowa: W. C. Brown Co., 1980.
MLA (9th ed.) CitationRyser, Otto E., and James Rollar Brown. A Manual for Tumbling and Apparatus Stunts. 7th ed. W. C. Brown Co., 1980.
Warning: These citations may not always be 100% accurate.