APA (7th ed.) Citation

Freytag, G., Francke, K., Fontane, T., & Howard, W. G. (2004). The German Classics of the Nineteenth and Twentieth Centuries, Volume 12. Project Gutenberg.

Chicago Style (17th ed.) Citation

Freytag, Gustav, Kuno Francke, Theodor Fontane, and William Guild Howard. The German Classics of the Nineteenth and Twentieth Centuries, Volume 12. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Freytag, Gustav, et al. The German Classics of the Nineteenth and Twentieth Centuries, Volume 12. Project Gutenberg, 2004.

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