APA
Mitchell E. A., Robinson E., Black P. N., Becroft D. M. O., Clark P. M., Pryor J. E., Thompson J. M. D., Waldie K. E. & Wild C. J. (20081006). Risk factors for asthma at 3.5 and 7 years of age. : Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology.
Chicago
Mitchell E A, Robinson E, Black P N, Becroft D M O, Clark P M, Pryor J E, Thompson J M D, Waldie K E and Wild C J. 20081006. Risk factors for asthma at 3.5 and 7 years of age. : Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology.
Harvard
Mitchell E. A., Robinson E., Black P. N., Becroft D. M. O., Clark P. M., Pryor J. E., Thompson J. M. D., Waldie K. E. and Wild C. J. (20081006). Risk factors for asthma at 3.5 and 7 years of age. : Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology.
MLA
Mitchell E A, Robinson E, Black P N, Becroft D M O, Clark P M, Pryor J E, Thompson J M D, Waldie K E and Wild C J. Risk factors for asthma at 3.5 and 7 years of age. : Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology. 20081006.