APA-referens (7:e uppl.)
Scharnhorst, G. (2014). Mark twain on potholes and politics: Letters to the editor. University of Missouri Press.
Chicago-referens (17:e uppl.)
Scharnhorst, Gary. Mark Twain on Potholes and Politics: Letters to the Editor. Columbia, Missouri: University of Missouri Press, 2014.
MLA-referens (9:e uppl.)
Scharnhorst, Gary. Mark Twain on Potholes and Politics: Letters to the Editor. University of Missouri Press, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.