Cita APA (7a ed.)

Gannon, P. W. (1965). Eugene O´ Neill´s Long Day´s journey into night: Critical commentary. Monarch Press.

Cita Chicago Style (17a ed.)

Gannon, Paul W. Eugene O´ Neill´s Long Day´s Journey into Night: Critical Commentary. New York, Estados Unidos: Monarch Press, 1965.

Cita MLA (9a ed.)

Gannon, Paul W. Eugene O´ Neill´s Long Day´s Journey into Night: Critical Commentary. Monarch Press, 1965.