Cita APA (7a ed.)

McMullan, J. T., Hughes, D. W., & Morgan, R. (1983). Influence of lubricating oil on heat pump performance. New University of Ulster.

Cita Chicago Style (17a ed.)

McMullan, J. T., D. W. Hughes, y R. Morgan. Influence of Lubricating Oil on Heat Pump Performance. Irlanda: New University of Ulster, 1983.

Cita MLA (8a ed.)

McMullan, J. T., et al. Influence of Lubricating Oil on Heat Pump Performance. New University of Ulster, 1983.