APA Format
Fletcher, Robert H.
; Wagner, Edward H.; Fletcher, Suzanne W.
. (1988,1996). Clinical epidemiology : the essentials. Baltimore : William and Willkins
MLA Format
Fletcher, Robert H.; Wagner, Edward H.; Fletcher, Suzanne W.
. Clinical epidemiology : the essentials. Baltimore : William and Willkins, 1988,1996
Australian/Harvard Format
Fletcher, Robert H.
; Wagner, Edward H.; Fletcher, Suzanne W.
. 1988,1996. Clinical epidemiology : the essentials. William and Willkins, Baltimore
Warning: These citations may not always be 100% accurate.