APA (7th ed.) Citation

Tolle, E. (1997). A new earth: Awakening to your life's purpose. Plume Book.

Chicago Style (17th ed.) Citation

Tolle, Eckhart. A New Earth: Awakening to Your Life's Purpose. New York: Plume Book, 1997.

MLA (9th ed.) Citation

Tolle, Eckhart. A New Earth: Awakening to Your Life's Purpose. Plume Book, 1997.