Cita APA (7th ed.)

[Coxon, M. (1935). The door opens. Appleton.

Cita Chicago (17th ed.)

[Coxon, Mauriel]. The Door Opens. New York: Appleton, 1935.

Cita MLA (9th ed.)

[Coxon, Mauriel]. The Door Opens. Appleton, 1935.