APA Citation

MacDonald, J. G., & Nielsen, D. R. (1978). Nitrogen in the environment. New York: Academic Press.

Chicago Style Citation

MacDonald, J. G., and Donald R. Nielsen. Nitrogen in the Environment. New York: Academic Press, 1978.

MLA Citation

MacDonald, J. G., and Donald R. Nielsen. Nitrogen in the Environment. New York: Academic Press, 1978.

Warning: These citations may not always be 100% accurate.