APA引文

(1923). American library directory ... a classified list of libraries with names of librarians. R. R. Bowker.

芝加哥风格引文

American Library Directory ... a Classified List of Libraries with Names of Librarians. New York: R. R. Bowker, 1923.

MLA引文

American Library Directory ... a Classified List of Libraries with Names of Librarians. R. R. Bowker, 1923.

警告：这些引文格式不一定是100％准确.