APA (7th ed.) Citation

Schopenhauer, A. (2011). The World As Will And Idea (Vol. 1 of 3). Project Gutenberg.

Chicago Style (17th ed.) Citation

Schopenhauer, Arthur. The World As Will And Idea (Vol. 1 of 3). Project Gutenberg, 2011.

MLA (9th ed.) Citation

Schopenhauer, Arthur. The World As Will And Idea (Vol. 1 of 3). Project Gutenberg, 2011.

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