APA (7th ed.) Citation

Ardley, N., Marffy, J., & Tims, A. (1984). Discovering electricity. Franklin Watts.

Chicago Style (17th ed.) Citation

Ardley, Neil, Janos Marffy, and Arthur Tims. Discovering Electricity. London ; New York: Franklin Watts, 1984.

MLA (9th ed.) Citation

Ardley, Neil, et al. Discovering Electricity. Franklin Watts, 1984.