Cita APA (7a ed.)

Irving, W. (1868). Spanish Papers. G. P. Putnam's Sons.

Cita Chicago Style (17a ed.)

Irving, Washington. Spanish Papers. New York, Estados Unidos: G. P. Putnam's Sons, 1868.

Cita MLA (9a ed.)

Irving, Washington. Spanish Papers. G. P. Putnam's Sons, 1868.