Colletta, J. P. (2002). They came in ships: A guide to finding your immigrant ancestor's arrival record (3rd ed., updated and rev.). Ancestry.
Chicago Style (17th ed.) CitationColletta, John Philip. They Came in Ships: A Guide to Finding Your Immigrant Ancestor's Arrival Record. 3rd ed., updated and rev. Orem, Utah: Ancestry, 2002.
MLA引文Colletta, John Philip. They Came in Ships: A Guide to Finding Your Immigrant Ancestor's Arrival Record. 3rd ed., updated and rev. Ancestry, 2002.
警告：這些引文格式不一定是100％准確.