Cita APA (7th ed.)

MYERS, N. (1990). The gaia atlas of future worlds: Challenge and opportu-nity in an age of change. Anchor Books.

Cita Chicago (17th ed.)

MYERS, Norman. The Gaia Atlas of Future Worlds: Challenge and Opportu-nity in an Age of Change. New York: Anchor Books, 1990.

Cita MLA (9th ed.)

MYERS, Norman. The Gaia Atlas of Future Worlds: Challenge and Opportu-nity in an Age of Change. Anchor Books, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.