APA (7th ed.) Citation

Crowther, J. G., Howarth, O. J. R., & Riley, D. P. (1942). Science and world order. Penguin.

Chicago Style (17th ed.) Citation

Crowther, J. G., O. J. R. Howarth, and D. P. Riley. Science and World Order. Harmondsworth: Penguin, 1942.

MLA (8th ed.) Citation

Crowther, J. G., et al. Science and World Order. Penguin, 1942.