APA (7th ed.) Citation

Harker, J. H., & Backhurst, J. R. (1981). Fuel and energy. Academic Press.

Chicago Style (17th ed.) Citation

Harker, J. H., and J. R. Backhurst. Fuel and Energy. London: Academic Press, 1981.

MLA (9th ed.) Citation

Harker, J. H., and J. R. Backhurst. Fuel and Energy. Academic Press, 1981.