Cita APA (7th ed.)

Garner, J., & Harris, D. (1977). Control of pollution encyclopaedia. Butterworths.

Cita Chicago (17th ed.)

Garner, J.F, i D.J Harris. Control of Pollution Encyclopaedia. London: Butterworths, 1977.

Cita MLA (9th ed.)

Garner, J.F, i D.J Harris. Control of Pollution Encyclopaedia. Butterworths, 1977.