APA (7th ed.) Citation

ebrary, Inc, & Helfferich, T. (2015). The essential Thirty Years War: A documentary history. Hackett Publishing Company, Inc..

Chicago Style (17th ed.) Citation

ebrary, Inc, and Tryntje Helfferich. The Essential Thirty Years War: A Documentary History. Indianapolis: Hackett Publishing Company, Inc., 2015.

MLA (9th ed.) Citation

ebrary, Inc, and Tryntje Helfferich. The Essential Thirty Years War: A Documentary History. Hackett Publishing Company, Inc., 2015.