APA

Ward D. V., . (1978). Biological environmental impact studies: theory and methods. New York: Academic.

Chicago

Ward Diana Valiela, . 1978. Biological environmental impact studies: theory and methods. New York: Academic.

Harvard

Ward D. V., . (1978). Biological environmental impact studies: theory and methods. New York: Academic.

MLA

Ward Diana Valiela, . Biological environmental impact studies: theory and methods. New York: Academic. 1978.