APA Citation

Hayes, D. (1977). Rays of hope :: The transition to a post-petroleum world. New York: Norton.

Chicago Style Citation

Hayes, Denis. Rays of Hope :: The Transition to a Post-petroleum World. New York: Norton, 1977.

MLA Citation

Hayes, Denis. Rays of Hope :: The Transition to a Post-petroleum World. New York: Norton, 1977.

Warning: These citations may not always be 100% accurate.