APA (7th ed.) Citation

Gadalla, M., Talaat A., I., & Hassan, M. A. (2013). Performance characteristics of an ammonia-water absorption heat pump system.

Chicago Style (17th ed.) Citation

Gadalla, Mohamed, Ibrahim Talaat A., and Mohammed A.M Hassan. Performance Characteristics of an Ammonia-water Absorption Heat Pump System. 2013.

MLA (9th ed.) Citation

Gadalla, Mohamed, et al. Performance Characteristics of an Ammonia-water Absorption Heat Pump System. 2013.

Warning: These citations may not always be 100% accurate.