Cita APA (7th ed.)
Atwater, M. (1995). Earth's: Solid crust. McGraw-HIll.
Cita Chicago (17th ed.)
Atwater, Mary. Earth's: Solid Crust. New York: McGraw-HIll, 1995.
Cita MLA (9th ed.)
Atwater, Mary. Earth's: Solid Crust. McGraw-HIll, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.