Cita APA (7th ed.)
Horton, M., & Byrd, W. (1984). Keeping your balance. Word Books.
Cita Chicago (17th ed.)
Horton, Marilee, i Walter Byrd. Keeping Your Balance. Waco, Texas: Word Books, 1984.
Cita MLA (9th ed.)
Horton, Marilee, i Walter Byrd. Keeping Your Balance. Word Books, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.