Gaya APA

Sanders, W, T., J., I, P, B. (1968). **Mesoamerica the evolution of a civilization . New York: New York: Random House; 1968.

Gaya MLA

Sanders, William, T.., J., I., Price,, Barbara. "**Mesoamerica the evolution of a civilization". New York: New York: Random House; 1968, 1968. Text.