APA (7th ed.) Citation

Hinnawi, E. E. e., & Hashmi, M. (1987). The state of the environment. Butterworths.

Chicago Style (17th ed.) Citation

Hinnawi, Essam E. el-, and Manzur-Ul-Haque Hashmi. The State of the Environment. London u.a: Butterworths, 1987.

MLA (9th ed.) Citation

Hinnawi, Essam E. el-, and Manzur-Ul-Haque Hashmi. The State of the Environment. Butterworths, 1987.