APA (7th ed.) Citation

Schopenhauer, A. (1903). The basis of morality / by A. Schopenhauer. Sonnenschein.

Chicago Style (17th ed.) Citation

Schopenhauer, Arthur. The Basis of Morality / by A. Schopenhauer. Sonnenschein, 1903.

MLA (9th ed.) Citation

Schopenhauer, Arthur. The Basis of Morality / by A. Schopenhauer. Sonnenschein, 1903.

Warning: These citations may not always be 100% accurate.