APA (7th ed.) Citation

Gordon, W. A. (1990). The fourth of May: Killings and coverups at Kent State. Prometheus Books.

Chicago Style (17th ed.) Citation

Gordon, William A. The Fourth of May: Killings and Coverups at Kent State. Buffalo, NY: Prometheus Books, 1990.

MLA (8th ed.) Citation

Gordon, William A. The Fourth of May: Killings and Coverups at Kent State. Prometheus Books, 1990.