Blackburn, J., & Gnojewski, C. (1996). Hardthrob: Story & art by John Blackburn. Edited by Carol Gnojewski. Eros Comix.
Cita Chicago (17th ed.)Blackburn, John, i Carol Gnojewski. Hardthrob: Story & Art by John Blackburn. Edited by Carol Gnojewski. Seattle, Wash.: Eros Comix, 1996.
Cita MLA (8th ed.)Blackburn, John, i Carol Gnojewski. Hardthrob: Story & Art by John Blackburn. Edited by Carol Gnojewski. Eros Comix, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.