APA Style

Wales, D., Kenna, D. (2003). A lucky dog : Owney, U.S. Rail Mail Service mascot . New York, USA: Scholastic Inc.

MLA Style

Wales, Dirk., Kenna, Diane. "A lucky dog : Owney, U.S. Rail Mail Service mascot". New York, USA: Scholastic Inc, 2003. Text.