APA (7th ed.) Citation

Bruns, F. (2005). A Book of German Lyrics. Project Gutenberg.

Chicago Style (17th ed.) Citation

Bruns, Friedrich. A Book of German Lyrics. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Bruns, Friedrich. A Book of German Lyrics. Project Gutenberg, 2005.

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