APA (7th ed.) Zitazioa
Ruppert, M. C. (2004). Crossing the Rubicon: The decline of the American empire at the end of the age of oil. New Society Publishers.
Chicago Style (17th ed.) Zitazioa
Ruppert, Michael C. Crossing the Rubicon: The Decline of the American Empire at the End of the Age of Oil. Gabriola, BC: New Society Publishers, 2004.
MLA (9th ed.) Zitazioa
Ruppert, Michael C. Crossing the Rubicon: The Decline of the American Empire at the End of the Age of Oil. New Society Publishers, 2004.
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