APA (7th ed.) Citation

Gardner, J. (1977). The Werewolf trace. Hodder and Stoughton.

Chicago Style (17th ed.) Citation

Gardner, John. The Werewolf Trace. London [etc.]: Hodder and Stoughton, 1977.

MLA (8th ed.) Citation

Gardner, John. The Werewolf Trace. Hodder and Stoughton, 1977.

Warning: These citations may not always be 100% accurate.