Citazione Stile APA (7a Edizione)
Cunningham, W. P., & Cunningham, M. A. (2004). Principles of environmental science: Inquiry and applications (2nd ed.). McGraw-Hill Higher Education; Tata McGraw-Hill.
Citazione stile Chigago Style (17a edizione)
Cunningham, William P., e Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. 2nd ed. Boston ; New Delhi: McGraw-Hill Higher Education; Tata McGraw-Hill, 2004.
Citatione MLA (9a ed.)
Cunningham, William P., e Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. 2nd ed. McGraw-Hill Higher Education; Tata McGraw-Hill, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.