APA (7th ed.) Citation

O'Casey, S. (1949). Collected plays. Macmillan.

Chicago Style (17th ed.) Citation

O'Casey, Sean. Collected Plays. London: Macmillan, 1949.

MLA (9th ed.) Citation

O'Casey, Sean. Collected Plays. Macmillan, 1949.

Warning: These citations may not always be 100% accurate.