Cita APA (7th ed.)

Postgate, R. W. (1943). Someday at the door. Knopf.

Cita Chicago (17th ed.)

Postgate, Raymond William. Someday at the Door. New York: Knopf, 1943.

Cita MLA (9th ed.)

Postgate, Raymond William. Someday at the Door. Knopf, 1943.