Cita APA (7a ed.)

Encyclopaedia Britannica Educational Corporation. (1991). Enciclopedia hispánica. [s.n.].

Cita Chicago Style (17a ed.)

Encyclopaedia Britannica Educational Corporation. Enciclopedia Hispánica. Barcelona: [s.n.], 1991.

Cita MLA (8a ed.)

Encyclopaedia Britannica Educational Corporation. Enciclopedia Hispánica. [s.n.], 1991.