Seifried, C. (1984). National photography collection. Public Archives Canada.
Cita Chicago Style (17a ed.)Seifried, Christopher. National Photography Collection. Canada: Public Archives Canada, 1984.
Cita MLA (8a ed.)Seifried, Christopher. National Photography Collection. Public Archives Canada, 1984.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.