Cita APA (7th ed.)

Hobbs, B. C. (1987). Food poisoning and food hygiene (5th ed.). E. Arnold.

Cita Chicago (17th ed.)

Hobbs, Betty Constance. Food Poisoning and Food Hygiene. 5th ed. London: E. Arnold, 1987.

Cita MLA (9th ed.)

Hobbs, Betty Constance. Food Poisoning and Food Hygiene. 5th ed. E. Arnold, 1987.