Cita APA (7a ed.)

Biggers, E. D. (1940). La casa sin llaves: (The house without a key). Molino.

Cita Chicago Style (17a ed.)

Biggers, Earl Derr. La Casa Sin Llaves: (The House Without a Key). Barcelona: Molino, 1940.

Cita MLA (9a ed.)

Biggers, Earl Derr. La Casa Sin Llaves: (The House Without a Key). Molino, 1940.