APA (7th ed.) Citation

Richardson, T. M., & Haskell, W. (1969). A training course in sanitation for food service workers: A series based on lectures (New and rev. ed.). Institutions Magazine.

Chicago Style (17th ed.) Citation

Richardson, Treva M., and W.H Haskell. A Training Course in Sanitation for Food Service Workers: A Series Based on Lectures. New and rev. ed. Chicago: Institutions Magazine, 1969.

MLA (9th ed.) Citation

Richardson, Treva M., and W.H Haskell. A Training Course in Sanitation for Food Service Workers: A Series Based on Lectures. New and rev. ed. Institutions Magazine, 1969.