Diffenderffer, F. R. (1900). The German immigration into Pennsylvania through the port of Philadelphia, 1700 to 1775 prepared at the request of the Pennsylvania-German Society by Frank Ried Diffenderffer. The author.
Chicago Style (17th ed.) CitationDiffenderffer, Frank Ried. The German Immigration into Pennsylvania Through the Port of Philadelphia, 1700 to 1775 Prepared at the Request of the Pennsylvania-German Society by Frank Ried Diffenderffer. Lancaster, Pa.: The author, 1900.
MLA (9th ed.) CitationDiffenderffer, Frank Ried. The German Immigration into Pennsylvania Through the Port of Philadelphia, 1700 to 1775 Prepared at the Request of the Pennsylvania-German Society by Frank Ried Diffenderffer. The author, 1900.
Warning: These citations may not always be 100% accurate.