Cita APA (7a ed.)
Swindoll, C. R. (1983). Improving your serve: The art of unselfish living. Word.
Cita Chicago Style (17a ed.)
Swindoll, Charles R. Improving Your Serve: The Art of Unselfish Living. Texas: Word, 1983.
Cita MLA (9a ed.)
Swindoll, Charles R. Improving Your Serve: The Art of Unselfish Living. Word, 1983.
Precaución: Estas citas no son 100% exactas.