APA (7th ed.) Citation

McMullan, J. T., Morgan, R., & Lipman, N. H. (1981). Heat pumps. Hilger.

Chicago Style (17th ed.) Citation

McMullan, J. T., R. Morgan, and N. H. Lipman. Heat Pumps. Bristol: Hilger, 1981.

MLA (9th ed.) Citation

McMullan, J. T., et al. Heat Pumps. Hilger, 1981.