Cita APA

Johnson, A. H. 1. (1923). Six ages of European history: From A.D. 476 to 1878 (14. edition.). London: Methuen & Co. Ltd..

Citación estilo Chicago

Johnson, Arthur Henry 1845-1927. Six Ages of European History: From A.D. 476 to 1878. 14. edition. London: Methuen & Co. Ltd., 1923.

Cita MLA

Johnson, Arthur Henry 1845-1927. Six Ages of European History: From A.D. 476 to 1878. 14. edition. London: Methuen & Co. Ltd., 1923.