APA (7th ed.) Citation

John Murray, Hodgson, M. J., & Whelan, P. M. (1989). Essential principles in physics (2nd ed.). John Murray.

Chicago Style (17th ed.) Citation

John Murray, Michael John Hodgson, and Patrick Michael Whelan. Essential Principles in Physics. 2nd ed. London: John Murray, 1989.

MLA (8th ed.) Citation

John Murray, et al. Essential Principles in Physics. 2nd ed. John Murray, 1989.

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