APA (7th ed.) Citation

Day, D. (1993). The Tolkien companion. Mandarin in association with Mitchell Beazley.

Chicago Style (17th ed.) Citation

Day, David. The Tolkien Companion. London: Mandarin in association with Mitchell Beazley, 1993.

MLA (8th ed.) Citation

Day, David. The Tolkien Companion. Mandarin in association with Mitchell Beazley, 1993.

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