APA (7th ed.) Citation

Butler, R. J. (1997). Sports psychology in performance. Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

Butler, Richard J. Sports Psychology in Performance. Oxford [etc.]: Butterworth-Heinemann, 1997.

MLA (9th ed.) Citation

Butler, Richard J. Sports Psychology in Performance. Butterworth-Heinemann, 1997.

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