APA (7th ed.) Citation

Gjertsen, D. (1989). Science and philosophy: Past and present. Penguin Books ; Viking Penguin.

Chicago Style (17th ed.) Citation

Gjertsen, Derek. Science and Philosophy: Past and Present. London, England : New York, N.Y., USA: Penguin Books ; Viking Penguin, 1989.

MLA (9th ed.) Citation

Gjertsen, Derek. Science and Philosophy: Past and Present. Penguin Books ; Viking Penguin, 1989.

Warning: These citations may not always be 100% accurate.