Cita APA (7a ed.)

Spierling, V., & Molina Gómez, J. A. (2010). Arthur Schopenhauer. Herder.

Cita Chicago Style (17a ed.)

Spierling, Volker, y José Antonio Molina Gómez. Arthur Schopenhauer. Barcelona: Herder, 2010.

Cita MLA (9a ed.)

Spierling, Volker, y José Antonio Molina Gómez. Arthur Schopenhauer. Herder, 2010.