Howard, T., & Rifkin, J. (1980). Entropy: A new world view. Viking Press.
Cita Chicago (17th ed.)Howard, Ted, i Jeremy Rifkin. Entropy: A New World View. New York: Viking Press, 1980.
Cita MLA (9th ed.)Howard, Ted, i Jeremy Rifkin. Entropy: A New World View. Viking Press, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.