APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Whelan, P. M., and M. J. Hodgson. Essential Principles of Physics / P.M. Whelan, M.J. Hodgson. 2nd ed. (London): John Murray, 1989.

MLA (9th ed.) Citation

Whelan, P. M., and M. J. Hodgson. Essential Principles of Physics / P.M. Whelan, M.J. Hodgson. 2nd ed. John Murray, 1989.

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