APA (7th ed.) Citation

Simmons, I. G. (1991). Earth, air, and water: Resources and environment in the late 20th century. E. Arnold.

Chicago Style (17th ed.) Citation

Simmons, Ian Gordon. Earth, Air, and Water: Resources and Environment in the Late 20th Century. London: E. Arnold, 1991.

MLA (9th ed.) Citation

Simmons, Ian Gordon. Earth, Air, and Water: Resources and Environment in the Late 20th Century. E. Arnold, 1991.