APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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