APA (7th ed.) Citation

Smithsonian Institution & ProQuest (Firm). (1850). Fourth annual report of the Board of Regents of the Smithsonian Institution, to the Senate and House of Representatives, showing the operations, expenditures, and condition of the institution during the year 1840. [publisher not identified].

Chicago Style (17th ed.) Citation

Smithsonian Institution and ProQuest (Firm). Fourth Annual Report of the Board of Regents of the Smithsonian Institution, to the Senate and House of Representatives, Showing the Operations, Expenditures, and Condition of the Institution During the Year 1840. Washington: [publisher not identified], 1850.

MLA (9th ed.) Citation

Smithsonian Institution and ProQuest (Firm). Fourth Annual Report of the Board of Regents of the Smithsonian Institution, to the Senate and House of Representatives, Showing the Operations, Expenditures, and Condition of the Institution During the Year 1840. [publisher not identified], 1850.