Cita APA (7a ed.)

Douglas, A. M. (1872). Lucia: Her problem. Sheldon.

Cita Chicago Style (17a ed.)

Douglas, Amanda Minnie. Lucia: Her Problem. New York: Sheldon, 1872.

Cita MLA (8a ed.)

Douglas, Amanda Minnie. Lucia: Her Problem. Sheldon, 1872.