APA (7th ed.) Citation

Yep, L. (1990). Child of the owl (1st Harper Trophy ed.). HarperTrophy.

Chicago Style (17th ed.) Citation

Yep, Laurence. Child of the Owl. 1st Harper Trophy ed. New York: HarperTrophy, 1990.

MLA (9th ed.) Citation

Yep, Laurence. Child of the Owl. 1st Harper Trophy ed. HarperTrophy, 1990.

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