Não informado. (2020). Research Reports. Smithsonian Institution, Office of Public Affairs.
Čikaški stil citiranja (17. izdanje)Não informado. Research Reports. Washington: Smithsonian Institution, Office of Public Affairs, 2020.
MLA način citiranja (8. izdanje)Não informado. Research Reports. Smithsonian Institution, Office of Public Affairs, 2020.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.