Guidelines to oral hygiene :
toothbrushes, toothbrushing, dentifrices and abrasivity.
APA Citation
International Dental Federation. (1985). Guidelines to oral hygiene: toothbrushes, toothbrushing, dentifrices and abrasivity. London: Fédération Dentaire Internationale.
MLA Citation
International Dental Federation. Guidelines to Oral Hygiene: Toothbrushes, Toothbrushing, Dentifrices And Abrasivity. London: Fédération Dentaire Internationale, 1985.
Warning: These citations may not always be complete (especially for serials).