Cita APA (7th ed.)
Henry, J. G., & Heinke, G. W. (1996). Environmental science and engineering (2nd ed.). Pearson Education.
Cita Chicago (17th ed.)
Henry, J. Glynn, i Gary W. Heinke. Environmental Science and Engineering. 2nd ed. New Delhi: Pearson Education, 1996.
Cita MLA (9th ed.)
Henry, J. Glynn, i Gary W. Heinke. Environmental Science and Engineering. 2nd ed. Pearson Education, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.