APA Format
Freeman, Sarah
; Bullough, Vern L.
. (1993). The Complete guide to fertility & family planning. Buffalo, NY : Promotheus Books
MLA Format
Freeman, Sarah; Bullough, Vern L.
. The Complete guide to fertility & family planning. Buffalo, NY : Promotheus Books, 1993
Australian/Harvard Format
Freeman, Sarah
; Bullough, Vern L.
. 1993. The Complete guide to fertility & family planning. Promotheus Books, Buffalo, NY
Warning: These citations may not always be 100% accurate.