APA-čujuhus (7. p.)
González Prada, M. (2003). Free pages and hard times: Anarchist musings. Oxford University Press.
Chicago-čujuhus (17. p.)
González Prada, Manuel. Free Pages and Hard Times: Anarchist Musings. New York: Oxford University Press, 2003.
MLA-čujuhus (9. p.)
González Prada, Manuel. Free Pages and Hard Times: Anarchist Musings. Oxford University Press, 2003.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.