APA (7th ed.) Citation

John Murray, Hodgson, M. J., & Whelan, P. M. (1982). Essential principles of physics. John Murray.

Chicago Style (17th ed.) Citation

John Murray, Michael John Hodgson, and Patrick Michael Whelan. Essential Principles of Physics. London: John Murray, 1982.

MLA (8th ed.) Citation

John Murray, et al. Essential Principles of Physics. John Murray, 1982.