APA
Conference of Latin American Geographers, . (1985). Year Book 1985. Indiana: Ball State University.
Chicago
Conference of Latin American Geographers, . 1985. Year Book 1985. Indiana: Ball State University.
Harvard
Conference of Latin American Geographers, . (1985). Year Book 1985. Indiana: Ball State University.
MLA
Conference of Latin American Geographers, . Year Book 1985. Indiana: Ball State University. 1985.
