APA引文

Keith, L. H. (1991). Environmental sampling and analysis, A Practical guide.

Chicago Edition Citation

Keith, Lawrence H. Environmental Sampling and Analysis, A Practical Guide. London, Lewis Publishers, 1991.

MLA引文

Keith, Lawrence H. Environmental Sampling and Analysis, A Practical Guide. 1991.

警告：這些引文格式不一定是100％准確.