Cite
Cognitive effects and daytime sleepiness.
MLA
Engleman, H. M., and N. J. Douglas. “Cognitive Effects and Daytime Sleepiness.” Sleep, vol. 16, no. 8 Suppl, Dec. 1993, p. S79. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=8178036&authtype=sso&custid=ns315887.
APA
Engleman, H. M., & Douglas, N. J. (1993). Cognitive effects and daytime sleepiness. Sleep, 16(8 Suppl), S79.
Chicago
Engleman, H M, and N J Douglas. 1993. “Cognitive Effects and Daytime Sleepiness.” Sleep 16 (8 Suppl): S79. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=8178036&authtype=sso&custid=ns315887.