Research in Maryland
MLA
Shawker, Patricia O'Brien. and National Genealogical Society. Research in Maryland. Arlington, VA : National Genealogical Society, 2007.
APA
Shawker, P. & National Genealogical Society. (2007). Research in Maryland. Arlington, VA : National Genealogical Society.
Chicago
Shawker, Patricia O'Brien. and National Genealogical Society. Research in Maryland. Arlington, VA : National Genealogical Society, 2007.