APA (7th ed.) Citation

Williams, D. A. (1995). A celebration of humanism and freethought. Prometheus Books.

Chicago Style (17th ed.) Citation

Williams, David Allen. A Celebration of Humanism and Freethought. Amherst, NY: Prometheus Books, 1995.

MLA (8th ed.) Citation

Williams, David Allen. A Celebration of Humanism and Freethought. Prometheus Books, 1995.

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