Cita APA (7a ed.)

Irving, W., Matthews, B., & Caldwell, A. (1936). Washington Irving's sketch-book. Longmans, Green.

Cita Chicago Style (17a ed.)

Irving, Washington, Brander Matthews, y Armour Caldwell. Washington Irving's Sketch-book. New York [etc.]: Longmans, Green, 1936.

Cita MLA (9a ed.)

Irving, Washington, et al. Washington Irving's Sketch-book. Longmans, Green, 1936.