Sewell, P. H. (1956). The Regional library systems (2nd ed., rev.). Library Association.
Chicago Style (17th ed.) CitationSewell, Philip Hooper. The Regional Library Systems. 2nd ed., rev. London: Library Association, 1956.
MLA (9th ed.) CitationSewell, Philip Hooper. The Regional Library Systems. 2nd ed., rev. Library Association, 1956.
Warning: These citations may not always be 100% accurate.