Scott publications, Inc. New York. Scott's standard postage stamp catalogue (The encyclopedia of philately). 18--.
Chicago Style (17th ed.) CitationScott publications, Inc. New York. Scott's Standard Postage Stamp Catalogue (The Encyclopedia of Philately). New York: 18--.
MLA (9th ed.) CitationScott publications, Inc. New York. Scott's Standard Postage Stamp Catalogue (The Encyclopedia of Philately). 18--.
Warning: These citations may not always be 100% accurate.