APA (7th ed.) Citation

E, H., A, F., & R, F. (2011). Diagnosing and managing food allergy in children. The Practitioner, 255(1741), 19.

Chicago Style (17th ed.) Citation

E, Holloway, Fox A, and Fitzsimons R. "Diagnosing and Managing Food Allergy in Children." The Practitioner 255, no. 1741 (2011): 19.

MLA (9th ed.) Citation

E, Holloway, et al. "Diagnosing and Managing Food Allergy in Children." The Practitioner, vol. 255, no. 1741, 2011, p. 19.