Christensen, E. R. (1979). Trace metals in urban runoff and their influence on phytoplankton growth in the receiving waters. University Microfilms International.
Citação do estilo Chicago (17ª ed.)Christensen, E. R. Trace Metals in Urban Runoff and Their Influence on Phytoplankton Growth in the Receiving Waters. Ann Arbor, Mich.: University Microfilms International, 1979.
Citação MLA (8ª ed.)Christensen, E. R. Trace Metals in Urban Runoff and Their Influence on Phytoplankton Growth in the Receiving Waters. University Microfilms International, 1979.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.