APA (7th ed.) Citation

Helms, R. (1981). Tolkien and the Silmarils. Thames and Hudson.

Chicago Style (17th ed.) Citation

Helms, Randel. Tolkien and the Silmarils. London: Thames and Hudson, 1981.

MLA (9th ed.) Citation

Helms, Randel. Tolkien and the Silmarils. Thames and Hudson, 1981.

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