Cita APA (7a ed.)

Butler, S., & Gilfillan, G. (1854). [poetical works., 2]. Appleton.

Cita Chicago Style (17a ed.)

Butler, Samuel, y George Gilfillan. [poetical Works., 2]. New York: Appleton, 1854.

Cita MLA (8a ed.)

Butler, Samuel, y George Gilfillan. [poetical Works., 2]. Appleton, 1854.