APA (7th ed.) Citation

De Lint, C. (1984). The riddle of the Wren. Ace Fantasy Books.

Chicago Style (17th ed.) Citation

De Lint, Charles. The Riddle of the Wren. New York: Ace Fantasy Books, 1984.

MLA (9th ed.) Citation

De Lint, Charles. The Riddle of the Wren. Ace Fantasy Books, 1984.