Cita APA (7th ed.)
Blatt, H. (2011). America's environmental report card: Are we making the grade? (2nd ed.). MIT Press.
Cita Chicago (17th ed.)
Blatt, Harvey. America's Environmental Report Card: Are We Making the Grade? 2nd ed. Cambridge, Mass.: MIT Press, 2011.
Cita MLA (9th ed.)
Blatt, Harvey. America's Environmental Report Card: Are We Making the Grade? 2nd ed. MIT Press, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.