APA (7th ed.) Citation

Beckett, S. (1961). Happy days: A play in two acts. Grove Press.

Chicago Style (17th ed.) Citation

Beckett, Samuel. Happy Days: A Play in Two Acts. New York, NY: Grove Press, 1961.

MLA (8th ed.) Citation

Beckett, Samuel. Happy Days: A Play in Two Acts. Grove Press, 1961.