APA (7th ed.) Citation

Gallwey, W. T. (1988). The inner game of tennis. Bantam.

Chicago Style (17th ed.) Citation

Gallwey, W. Timothy. The Inner Game of Tennis. Toronto [etc.]: Bantam, 1988.

MLA (9th ed.) Citation

Gallwey, W. Timothy. The Inner Game of Tennis. Bantam, 1988.

Warning: These citations may not always be 100% accurate.