Packard, F. R. (1938). Some account of the Pennsylvania Hospital: From its first rise to the beginning of the year, 1938. Engle Press.
Chicago-referens (17:e uppl.)Packard, Francis R. Some Account of the Pennsylvania Hospital: From Its First Rise to the Beginning of the Year, 1938. Philadelphia: Engle Press, 1938.
MLA-referens (8:e uppl.)Packard, Francis R. Some Account of the Pennsylvania Hospital: From Its First Rise to the Beginning of the Year, 1938. Engle Press, 1938.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.