Citazione APA

Marvin, F. S. (1917). Progress and history (2d impression.). H. Milford, Oxford University Press.

Stile di citazione Chicago

Marvin, Francis Sydney. Progress and History. 2d impression. London ; New York: H. Milford, Oxford University Press, 1917.

Citazione MLA

Marvin, Francis Sydney. Progress and History. 2d impression. H. Milford, Oxford University Press, 1917.