APA (7th ed.) Citation

Gore, A. (1993). Earth in the balance: Ecology and the human spirit. A Plume Book.

Chicago Style (17th ed.) Citation

Gore, Albert. Earth in the Balance: Ecology and the Human Spirit. New York: A Plume Book, 1993.

MLA (9th ed.) Citation

Gore, Albert. Earth in the Balance: Ecology and the Human Spirit. A Plume Book, 1993.