Cita APA (7a ed.)

Frei, R. W., & Hutzinger, O.. (1975). Analytical aspects of mercury and other heavy metals in the environment. Gordon and Breach Science Publishers.

Cita Chicago Style (17a ed.)

Frei, R. W., y Otto Hutzinger. Analytical Aspects of Mercury and Other Heavy Metals in the Environment. London [etc.]: Gordon and Breach Science Publishers, 1975.

Cita MLA (9a ed.)

Frei, R. W., y Otto Hutzinger. Analytical Aspects of Mercury and Other Heavy Metals in the Environment. Gordon and Breach Science Publishers, 1975.