Queen City Philatelic Society & Eastern Stamp Exchange. The Rocky Mountain stamp. Rocky Mountain Stamp Pub. Co.
Chicago Style (17th ed.) CitationQueen City Philatelic Society and Eastern Stamp Exchange. The Rocky Mountain Stamp. Denver, Colo.: Rocky Mountain Stamp Pub. Co.
MLA (8th ed.) CitationQueen City Philatelic Society and Eastern Stamp Exchange. The Rocky Mountain Stamp. Rocky Mountain Stamp Pub. Co.
Warning: These citations may not always be 100% accurate.