Waller, J. C. Poor old ancestors: The popularity of medical hereditarianism, 1770 - 1870 / John C. Waller. Conference A Cultural History of Heredity II : 18th and 19th centuries.(2003).
Čikaški stil citiranja (17. izdanje)Waller, John C. "Poor Old Ancestors: The Popularity of Medical Hereditarianism, 1770 - 1870 / John C. Waller." Conference A Cultural History of Heredity II : 18th and 19th Centuries.(2003) .
MLA način citiranja (8. izdanje)Waller, John C. "Poor Old Ancestors: The Popularity of Medical Hereditarianism, 1770 - 1870 / John C. Waller." Conference A Cultural History of Heredity II : 18th and 19th Centuries.(2003), .
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