एपीए उद्धरण

Smith, W. H. (1990). Air pollution and forests: Interactions between air contaminants and forest eco-systems (Ed.2.).

शिकागो स्टाइल उद्धरण

Smith, William H. Air Pollution and Forests: Interactions Between Air Contaminants and Forest Eco-systems. Ed.2. New York, Springer-Verlag, 1990.

एमएलए उद्धरण

Smith, William H. Air Pollution and Forests: Interactions Between Air Contaminants and Forest Eco-systems. Ed.2. 1990.