APA (7th ed.) Citation

Ishaq, F., & Khan, A. (2013). Approaches to environmental science (First edition.). Discovery Publishing House.

Chicago Style (17th ed.) Citation

Ishaq, Fouzia, and Amir Khan. Approaches to Environmental Science. First edition. New Delhi, India: Discovery Publishing House, 2013.

MLA (9th ed.) Citation

Ishaq, Fouzia, and Amir Khan. Approaches to Environmental Science. First edition. Discovery Publishing House, 2013.