Pfund, H. W. (1944). A History of the German Society of Pennsylvania. German Society of Pennsylvania.
Citazione stile Chigago Style (17a edizione)Pfund, Harry W. A History of the German Society of Pennsylvania. Philadelphia: German Society of Pennsylvania, 1944.
Citatione MLA (8a ed.)Pfund, Harry W. A History of the German Society of Pennsylvania. German Society of Pennsylvania, 1944.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.