APA (7th ed.) Citation

Loken, N. C. (1970). Tumbling and trampolining: Two books in one, including summary of trampolining rules ([Combined ed.].). Sterling Pub. Co.

Chicago Style (17th ed.) Citation

Loken, Newton C. Tumbling and Trampolining: Two Books in One, Including Summary of Trampolining Rules. [Combined ed.]. New York: Sterling Pub. Co, 1970.

MLA (9th ed.) Citation

Loken, Newton C. Tumbling and Trampolining: Two Books in One, Including Summary of Trampolining Rules. [Combined ed.]. Sterling Pub. Co, 1970.