Loomis, A. (2013). Fun with a pencil. Titan Books.
Cita Chicago (17th ed.)Loomis, Andrew. Fun with a Pencil. London, England: Titan Books, 2013.
Cita MLA (9th ed.)Loomis, Andrew. Fun with a Pencil. Titan Books, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.