APA (7th ed.) Citation

Ferris, G. T. (2006). The Great German Composers. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ferris, George T. The Great German Composers. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Ferris, George T. The Great German Composers. Project Gutenberg, 2006.

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