APA (7th ed.) Citation

Coombes, R. H. (1955). Soil warming by electricity. Philosophical Library.

Chicago Style (17th ed.) Citation

Coombes, R. H. Soil Warming by Electricity. [New York]: Philosophical Library, 1955.

MLA (9th ed.) Citation

Coombes, R. H. Soil Warming by Electricity. Philosophical Library, 1955.