APA (7e ed.) Bronvermelding

Não informado. (1872). Official Gazette of the United States Patent Office. U.S. Patent Office, Department of Congress.

Chicago (17e ed.) Bronvermelding

Não informado. Official Gazette of the United States Patent Office. Washington: U.S. Patent Office, Department of Congress, 1872.

MLA (8e ed.) Bronvermelding

Não informado. Official Gazette of the United States Patent Office. U.S. Patent Office, Department of Congress, 1872.

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