APA (7th ed.) Citation

Foster, R. (1979). The complete guide to Middle-earth: From The Hobbit to The Silmarillion (Pbk. format 1st ed.). Ballantine Books.

Chicago Style (17th ed.) Citation

Foster, Robert. The Complete Guide to Middle-earth: From The Hobbit to The Silmarillion. Pbk. format 1st ed. New York: Ballantine Books, 1979.

MLA (8th ed.) Citation

Foster, Robert. The Complete Guide to Middle-earth: From The Hobbit to The Silmarillion. Pbk. format 1st ed. Ballantine Books, 1979.