Shenk, J. W. (2005). Lincolnns melancholy: How depression challenged a president and fueled his greatness (First Mariner Books ed.). Mariner Book.
Chicago-referens (17:e uppl.)Shenk, Joshua Wolf. Lincolnns Melancholy: How Depression Challenged a President and Fueled His Greatness. First Mariner Books ed. Boston: Mariner Book, 2005.
MLA-referens (9:e uppl.)Shenk, Joshua Wolf. Lincolnns Melancholy: How Depression Challenged a President and Fueled His Greatness. First Mariner Books ed. Mariner Book, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.