APA (7th ed.) Citation

Harre, R. (1969). Some nineteenth century British scientists. Pergamon Press.

Chicago Style (17th ed.) Citation

Harre, R. Some Nineteenth Century British Scientists. Oxford, New York: Pergamon Press, 1969.

MLA (9th ed.) Citation

Harre, R. Some Nineteenth Century British Scientists. Pergamon Press, 1969.