Cita APA

Williams, L. (2004). Earth science demystified. New York: McGraw-Hill.

Chicago Style Citation

Williams, Linda. Earth Science Demystified. New York: McGraw-Hill, 2004.

Cita MLA

Williams, Linda. Earth Science Demystified. New York: McGraw-Hill, 2004.

Atenció: Aquestes cites poden no estar 100% correctes.