APA (7th ed.) Citation

Gray, A. (1921). Absolute measurements in electricity and magnetism (2d ed., rewritten and extended.). Macmillan.

Chicago Style (17th ed.) Citation

Gray, Andrew. Absolute Measurements in Electricity and Magnetism. 2d ed., rewritten and extended. London: Macmillan, 1921.

MLA (9th ed.) Citation

Gray, Andrew. Absolute Measurements in Electricity and Magnetism. 2d ed., rewritten and extended. Macmillan, 1921.