Friederichs, H. F. (1975). Genealogie-Genetik-Gesellschaft.
Chicago Style (17th ed.) CitationFriederichs, Heinz Friedrich. Genealogie-Genetik-Gesellschaft. Frankfurt [u.a.], 1975.
MLA (8th ed.) CitationFriederichs, Heinz Friedrich. Genealogie-Genetik-Gesellschaft. 1975.
Warning: These citations may not always be 100% accurate.