APA (7th ed.) Citation

Teetgen, A. (2012). Beethoven's Symphonies Critically Discussed. Project Gutenberg.

Chicago Style (17th ed.) Citation

Teetgen, Alexander. Beethoven's Symphonies Critically Discussed. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Teetgen, Alexander. Beethoven's Symphonies Critically Discussed. Project Gutenberg, 2012.

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