APA

Library of Congress, . (1991). Genealogies cataloged by the Library of Congress since 1986: with a list of established forms of family names and a list of genealogies converted to microfilm since 1983. Washington, D.C: Library of Congress, Cataloging Distribution Service.

Chicago

Library of Congress, . 1991. Genealogies cataloged by the Library of Congress since 1986: with a list of established forms of family names and a list of genealogies converted to microfilm since 1983. Washington, D.C: Library of Congress, Cataloging Distribution Service.

Harvard

Library of Congress, . (1991). Genealogies cataloged by the Library of Congress since 1986: with a list of established forms of family names and a list of genealogies converted to microfilm since 1983. Washington, D.C: Library of Congress, Cataloging Distribution Service.

MLA

Library of Congress, . Genealogies cataloged by the Library of Congress since 1986: with a list of established forms of family names and a list of genealogies converted to microfilm since 1983. Washington, D.C: Library of Congress, Cataloging Distribution Service. 1991.