R.R. Bowker Company. Serials Bibliography Department. Sources of serials. R.R. Bowker.
Chicago Style (17th ed.) CitationR.R. Bowker Company. Serials Bibliography Department. Sources of Serials. New York: R.R. Bowker.
MLA (9th ed.) CitationR.R. Bowker Company. Serials Bibliography Department. Sources of Serials. R.R. Bowker.
Warning: These citations may not always be 100% accurate.