Cita APA (7th ed.)
Ahearn, A. (2007). Marvels of the Modern World (Reprint 2007.). AA publishing.
Cita Chicago (17th ed.)
Ahearn, Alison. Marvels of the Modern World. Reprint 2007. Hapshirer: AA publishing, 2007.
Cita MLA (9th ed.)
Ahearn, Alison. Marvels of the Modern World. Reprint 2007. AA publishing, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.