Cita APA (7th ed.)

Cooper, J. I. (1995). Viruses and the environment (2nd ed.). Chapman & Hall.

Cita Chicago (17th ed.)

Cooper, J. I. Viruses and the Environment. 2nd ed. London: Chapman & Hall, 1995.

Cita MLA (9th ed.)

Cooper, J. I. Viruses and the Environment. 2nd ed. Chapman & Hall, 1995.