APA (7th ed.) Citation

Grotta, D. (1976). J.R.R. Tolkien: Architect of Middle Earth : a biography. Running Press.

Chicago Style (17th ed.) Citation

Grotta, Daniel. J.R.R. Tolkien: Architect of Middle Earth : A Biography. Philadelphia: Running Press, 1976.

MLA (9th ed.) Citation

Grotta, Daniel. J.R.R. Tolkien: Architect of Middle Earth : A Biography. Running Press, 1976.