Cita APA (7th ed.)

Rana, S. V. S. (2005). Essentials of Ecology and Environmental Science (2nd ed.). Prentice Hall.

Cita Chicago (17th ed.)

Rana, S. V. S. Essentials of Ecology and Environmental Science. 2nd ed. New Delhi: Prentice Hall, 2005.

Cita MLA (9th ed.)

Rana, S. V. S. Essentials of Ecology and Environmental Science. 2nd ed. Prentice Hall, 2005.