Cita APA (7a ed.)

Doyle, A. C. (1909). The firm of Girdlestone: A romance of the unromantic. Bernhard Tauchnitz.

Cita Chicago Style (17a ed.)

Doyle, Arthur Conan. The Firm of Girdlestone: A Romance of the Unromantic. Leipzig: Bernhard Tauchnitz, 1909.

Cita MLA (9a ed.)

Doyle, Arthur Conan. The Firm of Girdlestone: A Romance of the Unromantic. Bernhard Tauchnitz, 1909.