APA (7th ed.) Citation

Hobbs, B. C., & Roberts, D. (1987). Food poisoning and food hygiene (5th ed.). Edward Arnold.

Chicago Style (17th ed.) Citation

Hobbs, Betty C., and Diane Roberts. Food Poisoning and Food Hygiene. 5th ed. London: Edward Arnold, 1987.

MLA (9th ed.) Citation

Hobbs, Betty C., and Diane Roberts. Food Poisoning and Food Hygiene. 5th ed. Edward Arnold, 1987.