APA (7th ed.) Citation

Norton, A., & Kent, H. P. (1963). André Norton's Witch World: Book I. Ace Books : André Norton.

Chicago Style (17th ed.) Citation

Norton, Andre, and Harold P. Kent. André Norton's Witch World: Book I. <[Place of publication not identified]>: Ace Books : André Norton, 1963.

MLA (9th ed.) Citation

Norton, Andre, and Harold P. Kent. André Norton's Witch World: Book I. Ace Books : André Norton, 1963.