Cita APA (7a ed.)

Kemp, R. (1980). Pollution: Pupil`s book. Edward Arnold.

Cita Chicago Style (17a ed.)

Kemp, Richard. Pollution: Pupil`s Book. London: Edward Arnold, 1980.

Cita MLA (9a ed.)

Kemp, Richard. Pollution: Pupil`s Book. Edward Arnold, 1980.