APA

Smithsonian Institution, . (101946). The first hundred years of the Smithsonian Institution 1846 - 1946. Washington D.C: .

Chicago

Smithsonian Institution, . 101946. The first hundred years of the Smithsonian Institution 1846 - 1946. Washington D.C: .

Harvard

Smithsonian Institution, . (101946). The first hundred years of the Smithsonian Institution 1846 - 1946. Washington D.C: .

MLA

Smithsonian Institution, . The first hundred years of the Smithsonian Institution 1846 - 1946. Washington D.C: . 101946.