Cita APA (7a ed.)

Singh, A. (2003). Encyclopedia of teaching of environmental sciences, Vol. 2. Anmol.

Cita Chicago Style (17a ed.)

Singh, A.K. Encyclopedia of Teaching of Environmental Sciences, Vol. 2. NewDelhi: Anmol, 2003.

Cita MLA (9a ed.)

Singh, A.K. Encyclopedia of Teaching of Environmental Sciences, Vol. 2. Anmol, 2003.