Cita APA (7th ed.)
Hiscock, G. (2012). Earth wars: The battle for global resources. John Wiley & Sons Singapore.
Cita Chicago (17th ed.)
Hiscock, Geoff. Earth Wars: The Battle for Global Resources. Singapore ; Hoboken, N.J.: John Wiley & Sons Singapore, 2012.
Cita MLA (9th ed.)
Hiscock, Geoff. Earth Wars: The Battle for Global Resources. John Wiley & Sons Singapore, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.