Gaya APA

Tolle, E. (2005). The power of now: A guide to spiritual enlightenment. Foreword by Russell E. DiCarlo. . London: London Hodder & Stoughton.

Gaya MLA

Tolle, Eckhart. "The power of now: A guide to spiritual enlightenment. Foreword by Russell E. DiCarlo. ". London: London Hodder & Stoughton, 2005. Buku.