Nielson, D. (1978). Nitrogen in environmnet .V .2. Academic press.
Chicago Edition CitationNielson, D. Nitrogen in Environmnet .V .2. New York: Academic press, 1978.
MLA引文Nielson, D. Nitrogen in Environmnet .V .2. Academic press, 1978.
警告:这些引文格式不一定是100%准确.