APA (7th ed.) Citation

Tolkien, J. R. R., & Tolkien, C. (1979). The Silmarillion (1. publ. in Unwin Paperbacks 1979.). Unwin Paperbacks.

Chicago Style (17th ed.) Citation

Tolkien, J. R. R., and Christopher Tolkien. The Silmarillion. 1. publ. in Unwin Paperbacks 1979. London ; Boston ; Sydney: Unwin Paperbacks, 1979.

MLA (9th ed.) Citation

Tolkien, J. R. R., and Christopher Tolkien. The Silmarillion. 1. publ. in Unwin Paperbacks 1979. Unwin Paperbacks, 1979.