APA
American library association. Committee on library extension, American library association. Committee on library extension, . (1922). Library extension a study of public library condition and needs. : .
Chicago
American library association. Committee on library extension, American library association. Committee on library extension, . 1922. Library extension a study of public library condition and needs. : .
Harvard
American library association. Committee on library extension, American library association. Committee on library extension, . (1922). Library extension a study of public library condition and needs. : .
MLA
American library association. Committee on library extension, American library association. Committee on library extension, . Library extension a study of public library condition and needs. : . 1922.
