APA (7th ed.) Citation

Alloway, B. J. (1992). Heavy metals in soils (2a. ed.). Blackie Academic and Professional.

Chicago Style (17th ed.) Citation

Alloway, B. J. Heavy Metals in Soils. 2a. ed. Londres: Blackie Academic and Professional, 1992.

MLA (9th ed.) Citation

Alloway, B. J. Heavy Metals in Soils. 2a. ed. Blackie Academic and Professional, 1992.