McCullough, D. (2020). Unofficial guide to FamilySearch.org: How to find your family history on the world's largest free genealogy website (2nd edition.). Family Tree Books.
Chicago Style (17th ed.) CitationMcCullough, Dana. Unofficial Guide to FamilySearch.org: How to Find Your Family History on the World's Largest Free Genealogy Website. 2nd edition. [Cincinnati, Ohio]: Family Tree Books, 2020.
MLA引文McCullough, Dana. Unofficial Guide to FamilySearch.org: How to Find Your Family History on the World's Largest Free Genealogy Website. 2nd edition. Family Tree Books, 2020.
警告：這些引文格式不一定是100％准確.