Cita APA (7th ed.)
Scott Publishing Co & Marzulla, E. E. Stamps and Stories: The exciting saga of U.S. history told in stamps (Primera edición.).
Cita Chicago (17th ed.)
Scott Publishing Co i Elena Editor Marzulla. Stamps and Stories: The Exciting Saga of U.S. History Told in Stamps. Primera edición.
Cita MLA (9th ed.)
Scott Publishing Co i Elena Editor Marzulla. Stamps and Stories: The Exciting Saga of U.S. History Told in Stamps. Primera edición.
Atenció: Aquestes cites poden no estar 100% correctes.