Cita APA (7th ed.)

Trivedi, R. N. (1997). A Textbook of environmental Sciences. Anmol.

Cita Chicago (17th ed.)

Trivedi, R. N. A Textbook of Environmental Sciences. New Delhi: Anmol, 1997.

Cita MLA (9th ed.)

Trivedi, R. N. A Textbook of Environmental Sciences. Anmol, 1997.