Cita APA (7a ed.)

Hobbs, B. C., & Gilbert, R. J. (1978). Food poisoning and food hygiene (4th ed.). Edward Arnold.

Cita Chicago Style (17a ed.)

Hobbs, Betty C., y Richard J. Gilbert. Food Poisoning and Food Hygiene. 4th ed. London: Edward Arnold, 1978.

Cita MLA (8a ed.)

Hobbs, Betty C., y Richard J. Gilbert. Food Poisoning and Food Hygiene. 4th ed. Edward Arnold, 1978.