Cita APA (7a ed.)

Ruyssen, T. (1911). Schopenhauer. Félix Alcan.

Cita Chicago Style (17a ed.)

Ruyssen, Théodore. Schopenhauer. Paris: Félix Alcan, 1911.

Cita MLA (9a ed.)

Ruyssen, Théodore. Schopenhauer. Félix Alcan, 1911.