Cita APA

Smith, G. E. S. 1., & Smith, G. E. S. 1. (1929). Human history (1. edition.). New York, New York: W.W. Norton.

Citación estilo Chicago

Smith, Grafton Elloit Sir 1871-1937, y Grafton Elloit Sir 1871-1937 Smith. Human History. 1. edition. New York, New York: W.W. Norton, 1929.

Cita MLA

Smith, Grafton Elloit Sir 1871-1937, y Grafton Elloit Sir 1871-1937 Smith. Human History. 1. edition. New York, New York: W.W. Norton, 1929.