APA

Buchinger M., Milton J., . (1968). Man and the land in Ecuador. : .

Chicago

Buchinger María, Milton John, . 1968. Man and the land in Ecuador. : .

Harvard

Buchinger M., Milton J., . (1968). Man and the land in Ecuador. : .

MLA

Buchinger María, Milton John, . Man and the land in Ecuador. : . 1968.