Cita APA (7a ed.)
Cunningham, W. P., & Cunningham, M. A. (2004). Principles of environmental science: Inquiry and applications (2nd ed.). McGraw-Hill Higher Education; Tata McGraw-Hill.
Cita Chicago Style (17a ed.)
Cunningham, William P., y Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. 2nd ed. Boston ; New Delhi: McGraw-Hill Higher Education; Tata McGraw-Hill, 2004.
Cita MLA (9a ed.)
Cunningham, William P., y Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. 2nd ed. McGraw-Hill Higher Education; Tata McGraw-Hill, 2004.
Precaución: Estas citas no son 100% exactas.