Cole, J. A., & Ferguson, S. J. (1988). Nitrogen and sullphur cyceles. Cambridge university press.
Chicago Edition CitationCole, J A., and S J. Ferguson. Nitrogen and Sullphur Cyceles. Cambridge: Cambridge university press, 1988.
MLA Edition CitationCole, J A., and S J. Ferguson. Nitrogen and Sullphur Cyceles. Cambridge university press, 1988.
Warning: These citations may not always be 100% accurate.