APA (7th ed.) Citation

Olby, R. C. (1966). Late eighteenth century sicentists. Pergamon Press.

Chicago Style (17th ed.) Citation

Olby, R. C. Late Eighteenth Century Sicentists. Oxford, UK: Pergamon Press, 1966.

MLA (9th ed.) Citation

Olby, R. C. Late Eighteenth Century Sicentists. Pergamon Press, 1966.