APA
Lewis O., . (1952). The effects of technical progress on mental health in rural populations. México D.F. - MX: Instituto Indigenista Interamericano.
Chicago
Lewis Oscar, . 1952. The effects of technical progress on mental health in rural populations. México D.F. - MX: Instituto Indigenista Interamericano.
Harvard
Lewis O., . (1952). The effects of technical progress on mental health in rural populations. México D.F. - MX: Instituto Indigenista Interamericano.
MLA
Lewis Oscar, . The effects of technical progress on mental health in rural populations. México D.F. - MX: Instituto Indigenista Interamericano. 1952.