APA (7th ed.) Citation

Powell, R. G. (1990). Electromagnetism / R.G. Powell. Macmillan.

Chicago Style (17th ed.) Citation

Powell, R. G. Electromagnetism / R.G. Powell. Basingstoke: Macmillan, 1990.

MLA (9th ed.) Citation

Powell, R. G. Electromagnetism / R.G. Powell. Macmillan, 1990.

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