Mackay, J. A. (1988). The Guinness book of stamps: Facts and feats (2nd ed.). Guinness Books.
Chicago Style (17th ed.) CitationMackay, James Alexander. The Guinness Book of Stamps: Facts and Feats. 2nd ed. Enfield, Middlesex: Guinness Books, 1988.
MLA (9th ed.) CitationMackay, James Alexander. The Guinness Book of Stamps: Facts and Feats. 2nd ed. Guinness Books, 1988.
Warning: These citations may not always be 100% accurate.