APA (7th ed.) Citation

Berg, C. A. (1973). Energy conservation through effective utilization. Science, 181, 128.

Chicago Style (17th ed.) Citation

Berg, C. A. "Energy Conservation Through Effective Utilization." Science 181 (1973): 128.

MLA (9th ed.) Citation

Berg, C. A. "Energy Conservation Through Effective Utilization." Science, vol. 181, 1973, p. 128.