APA (7th ed.) Citation

Gannon, P. W. (1965). Eugene O'Neill's Long day's journey into night: A critical commentary. Monarch Press.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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