Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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