APA (7th ed.) Citation

Gardner, M. (1988). The new age: Notes of a fringe watcher. Prometheus Books.

Chicago Style (17th ed.) Citation

Gardner, Martin. The New Age: Notes of a Fringe Watcher. Buffalo, NY: Prometheus Books, 1988.

MLA (8th ed.) Citation

Gardner, Martin. The New Age: Notes of a Fringe Watcher. Prometheus Books, 1988.