Cita APA (7a ed.)

Hume, F. (1906). The mystery of the shadow. Cassel.

Cita Chicago Style (17a ed.)

Hume, Fergus. The Mystery of the Shadow. London: Cassel, 1906.

Cita MLA (9a ed.)

Hume, Fergus. The Mystery of the Shadow. Cassel, 1906.