Le Van, R. G. (1990). Early immigrants from Germany and Switzerland to Eastern Pennsylvania. Gateway Press.
Chicago-Zitierstil (17. Ausg.)Le Van, Russell G. Early Immigrants from Germany and Switzerland to Eastern Pennsylvania. Baltimore: Gateway Press, 1990.
MLA-Zitierstil (9. Ausg.)Le Van, Russell G. Early Immigrants from Germany and Switzerland to Eastern Pennsylvania. Gateway Press, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.