APA (7e ed.) Bronvermelding

Não informado. (2018). Report of the Secretary of the Smithsonian Institution. Smithsonian Institution.

Chicago (17e ed.) Bronvermelding

Não informado. Report of the Secretary of the Smithsonian Institution. Washington: Smithsonian Institution, 2018.

MLA (8e ed.) Bronvermelding

Não informado. Report of the Secretary of the Smithsonian Institution. Smithsonian Institution, 2018.

Let op: Deze citaties zijn niet altijd 100% accuraat.