Plotnikoff, N. P. (1986). Enkephalins and endorphins: Stress and the immune system. Plenum Press.
Chicago Style (17th ed.) CitationPlotnikoff, Nicholas P. Enkephalins and Endorphins: Stress and the Immune System. New York: Plenum Press, 1986.
MLA (9th ed.) CitationPlotnikoff, Nicholas P. Enkephalins and Endorphins: Stress and the Immune System. Plenum Press, 1986.
Warning: These citations may not always be 100% accurate.