Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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