Cita APA (7th ed.)

Keefer, T. F. (1977). Philip Wylie. Twayne Publishers (A Division of G. K. Hall & Co.

Cita Chicago (17th ed.)

Keefer, Truman Frederick. Philip Wylie. Boston: Twayne Publishers (A Division of G. K. Hall & Co, 1977.

Cita MLA (9th ed.)

Keefer, Truman Frederick. Philip Wylie. Twayne Publishers (A Division of G. K. Hall & Co, 1977.