Cita APA (7th ed.)

Hobbs, B. C. (1968). Food poisoning and food hygiene (2nd ed.). Edward Arnold.

Cita Chicago (17th ed.)

Hobbs, Betty C. Food Poisoning and Food Hygiene. 2nd ed. London: Edward Arnold, 1968.

Cita MLA (8th ed.)

Hobbs, Betty C. Food Poisoning and Food Hygiene. 2nd ed. Edward Arnold, 1968.