APA (7th ed.) Citation

Lawson, S. M. (1988). Generations past: A selected list of sources for Afro-American genealogical research. Libr. of Congress.

Chicago Style (17th ed.) Citation

Lawson, Sandra M. Generations Past: A Selected List of Sources for Afro-American Genealogical Research. Washington, DC: Libr. of Congress, 1988.

MLA (9th ed.) Citation

Lawson, Sandra M. Generations Past: A Selected List of Sources for Afro-American Genealogical Research. Libr. of Congress, 1988.