Style de citation APA (7e éd.)

Varela, F. (1836). The Catholic observer. [Pub. by F. Varela].

Style de citation Chicago (17e éd.)

Varela, Félix. The Catholic Observer. New-York: [Pub. by F. Varela], 1836.

Style de citation MLA (8e éd.)

Varela, Félix. The Catholic Observer. [Pub. by F. Varela], 1836.