APA (7th ed.) Citation

O'Brien, F. (1976). The third policeman. New American Library.

Chicago Style (17th ed.) Citation

O'Brien, Flann. The Third Policeman. New York, N.Y.: New American Library, 1976.

MLA (9th ed.) Citation

O'Brien, Flann. The Third Policeman. New American Library, 1976.