Cita APA (7th ed.)
Ashley, M. (2000). The history of the science-fiction magazine. Liverpool University Press.
Cita Chicago (17th ed.)
Ashley, Michael. The History of the Science-fiction Magazine. Liverpool: Liverpool University Press, 2000.
Cita MLA (9th ed.)
Ashley, Michael. The History of the Science-fiction Magazine. Liverpool University Press, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.