APA (7th ed.) Citation

Tilden, W. T. (1950). How to play better tennis. Cornerstone Library.

Chicago Style (17th ed.) Citation

Tilden, William T. How to Play Better Tennis. New York: Cornerstone Library, 1950.

MLA (9th ed.) Citation

Tilden, William T. How to Play Better Tennis. Cornerstone Library, 1950.