Cita APA (7a ed.)

West, W. M. (1915). The modern world, from Charlemagne to the present time: With a preliminary survey of ancient progress. Allyn and Bacon.

Cita Chicago Style (17a ed.)

West, Willis M. The Modern World, from Charlemagne to the Present Time: With a Preliminary Survey of Ancient Progress. Boston ; New York [etc.]: Allyn and Bacon, 1915.

Cita MLA (8a ed.)

West, Willis M. The Modern World, from Charlemagne to the Present Time: With a Preliminary Survey of Ancient Progress. Allyn and Bacon, 1915.