APA
Hardoy J. E., . (1968). Urban planning in pre-columbian America. New York: Braziller.
Chicago
Hardoy Jorge Enrique, . 1968. Urban planning in pre-columbian America. New York: Braziller.
Harvard
Hardoy J. E., . (1968). Urban planning in pre-columbian America. New York: Braziller.
MLA
Hardoy Jorge Enrique, . Urban planning in pre-columbian America. New York: Braziller. 1968.