Keefer, T. F. (1977). Fhilip Wylie. Twayne.
Cita Chicago (17th ed.)Keefer, Truman Fredrick. Fhilip Wylie. Boston: Twayne, 1977.
Cita MLA (9th ed.)Keefer, Truman Fredrick. Fhilip Wylie. Twayne, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.