APA

Williey G. R., Corbett J. M., . (1954). Early Ancón and early supe culture. New York: Columbia university press.

Chicago

Williey Gordon R, Corbett John M, . 1954. Early Ancón and early supe culture. New York: Columbia university press.

Harvard

Williey G. R., Corbett J. M., . (1954). Early Ancón and early supe culture. New York: Columbia university press.

MLA

Williey Gordon R, Corbett John M, . Early Ancón and early supe culture. New York: Columbia university press. 1954.