APA (7th ed.) Citation

Gjertsen, D. (1989). Science and philosophy : past and present / Derek Gjertsen: Past and present. Penguin.

Chicago Style (17th ed.) Citation

Gjertsen, Derek. Science and Philosophy : Past and Present / Derek Gjertsen: Past and Present. Harmondsworth: Penguin, 1989.

MLA (9th ed.) Citation

Gjertsen, Derek. Science and Philosophy : Past and Present / Derek Gjertsen: Past and Present. Penguin, 1989.

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