APA (7th ed.) Citation

Roberts, G., & Stammers Steve. (1988). When the going gets tough: The Graham Roberts story. Mainstream Publishing.

Chicago Style (17th ed.) Citation

Roberts, Graham, and Stammers Steve. When the Going Gets Tough: The Graham Roberts Story. Edinburgh: Mainstream Publishing, 1988.

MLA (9th ed.) Citation

Roberts, Graham, and Stammers Steve. When the Going Gets Tough: The Graham Roberts Story. Mainstream Publishing, 1988.