Cita APA (7th ed.)

Wright, T., & Clough, J. (2007). Food allergies: Enjoying life with a severe food allergy (2nd ed.). Class.

Cita Chicago (17th ed.)

Wright, Tanya, i Joanne Clough. Food Allergies: Enjoying Life with a Severe Food Allergy. 2nd ed. London: Class, 2007.

Cita MLA (9th ed.)

Wright, Tanya, i Joanne Clough. Food Allergies: Enjoying Life with a Severe Food Allergy. 2nd ed. Class, 2007.