APA (7th ed.) Citation

Barker, H., & Barker, H. (1992). Hard Heart,the Early Hours of a Reviled Man. Calder Publications.

Chicago Style (17th ed.) Citation

Barker, Howard, and Howard Barker. Hard Heart,the Early Hours of a Reviled Man. [Place of publication not identified]: Calder Publications, 1992.

MLA (9th ed.) Citation

Barker, Howard, and Howard Barker. Hard Heart,the Early Hours of a Reviled Man. Calder Publications, 1992.