APA (7th ed.) Citation

Grogan, J. (2008). The longest trip home: A memoir. Harper Audio.

Chicago Style (17th ed.) Citation

Grogan, John. The Longest Trip Home: A Memoir. [Place of publication not identified]: Harper Audio, 2008.

MLA (9th ed.) Citation

Grogan, John. The Longest Trip Home: A Memoir. Harper Audio, 2008.