APA (7th ed.) Citation

Allen, N. B. (1934). Geographical and industrial studies: South America (Rev. ed.). Ginn.

Chicago Style (17th ed.) Citation

Allen, Nellie B. Geographical and Industrial Studies: South America. Rev. ed. Boston: Ginn, 1934.

MLA (9th ed.) Citation

Allen, Nellie B. Geographical and Industrial Studies: South America. Rev. ed. Ginn, 1934.