Cita APA

Allen, N. B. (1918). Geographical and industrial studies. South America. Boston, New York: Ginn and company.

Citación estilo Chicago

Allen, Nellie Burnham. Geographical and Industrial Studies. South America. Boston, New York: Ginn and company, 1918.

Cita MLA

Allen, Nellie Burnham. Geographical and Industrial Studies. South America. Boston, New York: Ginn and company, 1918.

Precaución: Estas citas no son 100% exactas.