Cita APA (7th ed.)

Simmons, I. (1991). Earth, Air and water: resources: And environment in the late 20th century. Edward Arnold.

Cita Chicago (17th ed.)

Simmons, I.G. Earth, Air and Water: Resources: And Environment in the Late 20th Century. London: Edward Arnold, 1991.

Cita MLA (9th ed.)

Simmons, I.G. Earth, Air and Water: Resources: And Environment in the Late 20th Century. Edward Arnold, 1991.