Cita APA (7a ed.)

Santayana, G., & Smith, L. P. (1921). Little essays (1st [ed.], 2nd impression.). Constable.

Cita Chicago Style (17a ed.)

Santayana, George, y Logan Pearsall Smith. Little Essays. 1st [ed.], 2nd impression. London: Constable, 1921.

Cita MLA (9a ed.)

Santayana, George, y Logan Pearsall Smith. Little Essays. 1st [ed.], 2nd impression. Constable, 1921.