Cita APA (7a ed.)
American Philatelic Society. Fifty-second American Philatelic Congress: October 24-26, 1986 : Ambassador Hotel. Los Angeles, California.
Cita Chicago Style (17a ed.)
American Philatelic Society. Fifty-second American Philatelic Congress: October 24-26, 1986 : Ambassador Hotel. Los Angeles, California.
Cita MLA (9a ed.)
American Philatelic Society. Fifty-second American Philatelic Congress: October 24-26, 1986 : Ambassador Hotel. Los Angeles, California.
Precaución: Estas citas no son 100% exactas.