APA (7th ed.) Citation

Tolkien, J. R. R., & Tolkien, C. (1980). Unfinished tales of Numenor and Middle-earth ([Book Club ed.].). Houghton Mifflin.

Chicago Style (17th ed.) Citation

Tolkien, J. R. R., and Christopher Tolkien. Unfinished Tales of Numenor and Middle-earth. [Book Club ed.]. Boston: Houghton Mifflin, 1980.

MLA (9th ed.) Citation

Tolkien, J. R. R., and Christopher Tolkien. Unfinished Tales of Numenor and Middle-earth. [Book Club ed.]. Houghton Mifflin, 1980.