APA (7th ed.) Citation

Schiller, F. (2004). The Thirty Years War - Volume 04. Project Gutenberg.

Chicago Style (17th ed.) Citation

Schiller, Friedrich. The Thirty Years War - Volume 04. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Schiller, Friedrich. The Thirty Years War - Volume 04. Project Gutenberg, 2004.

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