Cita APA (7th ed.)

Frankau, G. (1932). The lonely man: A romance of love and the Secret Service. Hutchinson.

Cita Chicago (17th ed.)

Frankau, Gilbert. The Lonely Man: A Romance of Love and the Secret Service. London: Hutchinson, 1932.

Cita MLA (8th ed.)

Frankau, Gilbert. The Lonely Man: A Romance of Love and the Secret Service. Hutchinson, 1932.