Cita APA (7a ed.)

Dubley, O. F. (1932). The Shadow on the Earth. Longmans, Gree.

Cita Chicago Style (17a ed.)

Dubley, Owen Francis. The Shadow on the Earth. London: Longmans, Gree, 1932.

Cita MLA (9a ed.)

Dubley, Owen Francis. The Shadow on the Earth. Longmans, Gree, 1932.