MLA

Hopkins, Jeffrey, and Lea Zahler. Meditative States In Tibetan Buddhism. London: Wisdom, 1983.

APA

Hopkins, J., & Zahler, L. (1983). Meditative States in Tibetan Buddhism. London: Wisdom.

Chicago

Hopkins, Jeffrey. trans., and Lea Zahler ed. Meditative States In Tibetan Buddhism. London: Wisdom, 1983.