Cita APA (7th ed.)
Spoo, R. E. (2013). Without copyrights: Piracy, publishing, and the public domain. Oxford University Press.
Cita Chicago (17th ed.)
Spoo, Robert E. Without Copyrights: Piracy, Publishing, and the Public Domain. Oxford ; New York: Oxford University Press, 2013.
Cita MLA (9th ed.)
Spoo, Robert E. Without Copyrights: Piracy, Publishing, and the Public Domain. Oxford University Press, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.