Sampson, R. V. (1956). Progress in the age of reason: The seventeenth century to the present day. Harvard University Press.
Chicago Style (17th ed.) CitationSampson, Ronald Victor. Progress in the Age of Reason: The Seventeenth Century to the Present Day. Cambridge: Harvard University Press, 1956.
MLA (9th ed.) CitationSampson, Ronald Victor. Progress in the Age of Reason: The Seventeenth Century to the Present Day. Harvard University Press, 1956.
Warning: These citations may not always be 100% accurate.