En Quad. (1898). Twice adopted: A story of Delaware County. Cooper & Vernon.
Chicago Style (17th ed.) CitationEn Quad. Twice Adopted: A Story of Delaware County. Media, Pa.: Cooper & Vernon, 1898.
MLA引文En Quad. Twice Adopted: A Story of Delaware County. Cooper & Vernon, 1898.
警告：這些引文格式不一定是100％准確.