APA (7th ed.) Citation

Tolkien, J. R. R., & Tolkien, C. (1991). The lays of Beleriand. HarperCollins.

Chicago Style (17th ed.) Citation

Tolkien, J. R. R., and Christopher Tolkien. The Lays of Beleriand. London: HarperCollins, 1991.

MLA (8th ed.) Citation

Tolkien, J. R. R., and Christopher Tolkien. The Lays of Beleriand. HarperCollins, 1991.

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