APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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