APA (7th ed.) Citation

Greenwood, E. (1931). Amber to amperes: The story of electricity. Harper & brothers.

Chicago Style (17th ed.) Citation

Greenwood, Ernest. Amber to Amperes: The Story of Electricity. New York, London: Harper & brothers, 1931.

MLA (9th ed.) Citation

Greenwood, Ernest. Amber to Amperes: The Story of Electricity. Harper & brothers, 1931.