Style de citation APA

Levy, H. R. A genealogical survey of two German, Jewish families, named Frank, joined by marriage in 1898. [s.n.].

Style de citation Chicago

Levy, H. Richard. A Genealogical Survey of Two German, Jewish Families, Named Frank, Joined by Marriage in 1898. [s.l.]: [s.n.].

Style de citation MLA

Levy, H. Richard. A Genealogical Survey of Two German, Jewish Families, Named Frank, Joined by Marriage in 1898. [s.n.].