Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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