Citazione APA

Williams, J. F. (1941). Personal hygiene applied (7th ed., rev.). W. B. Saunders.

Stile di citazione Chicago

Williams, Jesse Feiring. Personal Hygiene Applied. 7th ed., rev. Philadelphia: W. B. Saunders, 1941.

Citazione MLA

Williams, Jesse Feiring. Personal Hygiene Applied. 7th ed., rev. W. B. Saunders, 1941.