Cita APA (7a ed.)

Carvalho, R. d. (1949). As sombras e as vozes. [s.n.].

Cita Chicago Style (17a ed.)

Carvalho, Raúl de. As Sombras E as Vozes. [s.n.], 1949.

Cita MLA (8a ed.)

Carvalho, Raúl de. As Sombras E as Vozes. [s.n.], 1949.