Citazione Stile APA (7a Edizione)

Myers, N., & Boulding, K. E. (1990). The Gaia atlas of future worlds: Challenge and opportunity in an age of change. Robertson McCarta.

Citazione stile Chigago Style (17a edizione)

Myers, Norman, e Kenneth Ewart Boulding. The Gaia Atlas of Future Worlds: Challenge and Opportunity in an Age of Change. London: Robertson McCarta, 1990.

Citatione MLA (9a ed.)

Myers, Norman, e Kenneth Ewart Boulding. The Gaia Atlas of Future Worlds: Challenge and Opportunity in an Age of Change. Robertson McCarta, 1990.