APA   Click to copy
Colwell, R. K. (1989). Natural and unnatural history: Biological diversity and genetic engineering. . In R. Shea & eds. B. Sitter (Eds.), W. R. Shea and B. Sitter, editors. Scientists and their responsibility. (pp. 1–40). Watson International Publishing, Canton, MA.

Chicago/Turabian   Click to copy
Colwell, Robert K. “Natural and Unnatural History: Biological Diversity and Genetic Engineering. .” In W. R. Shea and B. Sitter, Editors. Scientists and Their Responsibility., edited by R. Shea and eds. B. Sitter, 1–40. Watson International Publishing, Canton, MA., 1989.

MLA   Click to copy
Colwell, Robert K. “Natural and Unnatural History: Biological Diversity and Genetic Engineering. .” W. R. Shea and B. Sitter, Editors. Scientists and Their Responsibility., edited by R. Shea and eds. B. Sitter, Watson International Publishing, Canton, MA., 1989, pp. 1–40.

@inbook{colwell1989a,
  title = {Natural and unnatural history:  Biological diversity and genetic engineering. },
  year = {1989},
  pages = {1--40},
  publisher = {Watson International Publishing, Canton, MA.},
  author = {Colwell, Robert K},
  editor = {Shea, R. and B. Sitter, eds.},
  booktitle = {W. R. Shea and B. Sitter, editors. Scientists and their responsibility.}
}