Cavanagh Steve. (2018). Thirteen. Flatiron Books.
Cita Chicago (17th ed.)Cavanagh Steve. Thirteen. NewYork: Flatiron Books, 2018.
Cita MLA (9th ed.)Cavanagh Steve. Thirteen. Flatiron Books, 2018.
Atenció: Aquestes cites poden no estar 100% correctes.