APA-referens (7:e uppl.)
Wolferman, K. C. (2008). The indomitable Mary Easton Sibley: Pioneer of women's education in Missouri. University of Missouri Press.
Chicago-referens (17:e uppl.)
Wolferman, Kristie C. The Indomitable Mary Easton Sibley: Pioneer of Women's Education in Missouri. Columbia: University of Missouri Press, 2008.
MLA-referens (9:e uppl.)
Wolferman, Kristie C. The Indomitable Mary Easton Sibley: Pioneer of Women's Education in Missouri. University of Missouri Press, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.