APA (7th ed.) Citation

Hong, G. Y., Lazaro, M. J., & Lim, N. N. (1977). Integrated energy system. College of Engineering.

Chicago Style (17th ed.) Citation

Hong, Go Yau, Marie Joy Lazaro, and Nelson N. Lim. Integrated Energy System. Diliman, Quezon City: College of Engineering, 1977.

MLA (9th ed.) Citation

Hong, Go Yau, et al. Integrated Energy System. College of Engineering, 1977.