Cita APA (7a ed.)

Eastop, T. D., & Croft, D. R. (1990). Energy Efficiency: For engineers and technologists. Longman.

Cita Chicago Style (17a ed.)

Eastop, T. D., y D. R. Croft. Energy Efficiency: For Engineers and Technologists. Essex: Longman, 1990.

Cita MLA (9a ed.)

Eastop, T. D., y D. R. Croft. Energy Efficiency: For Engineers and Technologists. Longman, 1990.