APA (7th ed.) Citation

Guthrie, W. P. (2003). The later Thirty Years War: From the Battle of Wittstock to the Treaty of Westphalia. Contributions in military studies.

Chicago Style (17th ed.) Citation

Guthrie, William P. "The Later Thirty Years War: From the Battle of Wittstock to the Treaty of Westphalia." Contributions in Military Studies 2003.

MLA (8th ed.) Citation

Guthrie, William P. "The Later Thirty Years War: From the Battle of Wittstock to the Treaty of Westphalia." Contributions in Military Studies, 2003.