Cita APA (7th ed.)
Blair, T. (2010). Poorer Richard's America: What would Ben say? Skyhorse Pub..
Cita Chicago (17th ed.)
Blair, Tom. Poorer Richard's America: What Would Ben Say? New York, NY: Skyhorse Pub., 2010.
Cita MLA (9th ed.)
Blair, Tom. Poorer Richard's America: What Would Ben Say? Skyhorse Pub., 2010.
Atenció: Aquestes cites poden no estar 100% correctes.