APA (7th ed.) Citation

Ayling, R., & Durkan, M. J. (1978). Sean O'Casey: A bibliography (1. publ.). Macmillan.

Chicago Style (17th ed.) Citation

Ayling, Ronald, and Michael J. Durkan. Sean O'Casey: A Bibliography. 1. publ. London: Macmillan, 1978.

MLA (9th ed.) Citation

Ayling, Ronald, and Michael J. Durkan. Sean O'Casey: A Bibliography. 1. publ. Macmillan, 1978.