Cita APA (7a ed.)

Lewis, S. (1961). Lewis at zenith: A three-novel omnibus. Harcourt, Brace & World.

Cita Chicago Style (17a ed.)

Lewis, Sinclair. Lewis at Zenith: A Three-novel Omnibus. New York: Harcourt, Brace & World, 1961.

Cita MLA (9a ed.)

Lewis, Sinclair. Lewis at Zenith: A Three-novel Omnibus. Harcourt, Brace & World, 1961.