Cohen David & Wels, S. (1992). America: Then & now: great old photographs of america's life and times-and how those same scenes look today. Cohen Publishers.
Lua i Stíl Chicago (17ú heag.)Cohen David agus Susan Wels. America: Then & Now: Great Old Photographs of America's Life and Times-and How Those Same Scenes Look Today. San Francisco: Cohen Publishers, 1992.
Lua MLA (9ú heag.)Cohen David agus Susan Wels. America: Then & Now: Great Old Photographs of America's Life and Times-and How Those Same Scenes Look Today. Cohen Publishers, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.