APA Format
O'Donnell, Michael P.
; Harris, Jeffrey S.
. (1984; 1994). Health promotion in the workplace. Albany, NY : Delmar
MLA Format
O'Donnell, Michael P.; Harris, Jeffrey S.
. Health promotion in the workplace. Albany, NY : Delmar, 1984; 1994
Australian/Harvard Format
O'Donnell, Michael P.
; Harris, Jeffrey S.
. 1984; 1994. Health promotion in the workplace. Delmar, Albany, NY
Warning: These citations may not always be 100% accurate.