Strassburger, R. B. (1934). Pennsylvania German Pioneers. Pennsylvania German Soc..
Chicago-Zitierstil (17. Ausg.)Strassburger, Ralph Beaver. Pennsylvania German Pioneers. Norristown, Penns.: Pennsylvania German Soc., 1934.
MLA-Zitierstil (8. Ausg.)Strassburger, Ralph Beaver. Pennsylvania German Pioneers. Pennsylvania German Soc., 1934.
警告：这些引文格式不一定是100％准确.