APA (7th ed.) Citation

Garth, J. (2003). Tolkien and the Great War: The threshold of Middle-earth. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Garth, John. Tolkien and the Great War: The Threshold of Middle-earth. Boston: Houghton Mifflin, 2003.

MLA (8th ed.) Citation

Garth, John. Tolkien and the Great War: The Threshold of Middle-earth. Houghton Mifflin, 2003.