APA (7th ed.) Citation

Hackfort, D., & Spielberger, C. D. (1989). Anxiety in sports an international perspective / edited by Dieter Hackfort, Charles D. Spielberger: An international perspective. Hemisphere Pub. Corp..

Chicago Style (17th ed.) Citation

Hackfort, Dieter, and Charles Donald Spielberger. Anxiety in Sports an International Perspective / Edited by Dieter Hackfort, Charles D. Spielberger: An International Perspective. New York: Hemisphere Pub. Corp., 1989.

MLA (9th ed.) Citation

Hackfort, Dieter, and Charles Donald Spielberger. Anxiety in Sports an International Perspective / Edited by Dieter Hackfort, Charles D. Spielberger: An International Perspective. Hemisphere Pub. Corp., 1989.

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