APA (7th ed.) Citation

Swindoll, C. R. (1981). Improving your serve: The art of unselfish living. Word Books.

Chicago Style (17th ed.) Citation

Swindoll, Charles R. Improving Your Serve: The Art of Unselfish Living. Waco, Tex.: Word Books, 1981.

MLA (9th ed.) Citation

Swindoll, Charles R. Improving Your Serve: The Art of Unselfish Living. Word Books, 1981.

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