APA
Cheng G., Smith A. M., Levin L., Epstein T., Ryan P. H., LeMasters G. K., Khurana Hershey G. K., Reponen T., Villareal M., Lockey J. & Bernstein D. I. (20150814). Duration of day care attendance during infancy predicts asthma at the age of seven: the Cincinnati Childhood Allergy and Air Pollution Study. : Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology.
Chicago
Cheng G, Smith A M, Levin L, Epstein T, Ryan P H, LeMasters G K, Khurana Hershey G K, Reponen T, Villareal M, Lockey J and Bernstein D I. 20150814. Duration of day care attendance during infancy predicts asthma at the age of seven: the Cincinnati Childhood Allergy and Air Pollution Study. : Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology.
Harvard
Cheng G., Smith A. M., Levin L., Epstein T., Ryan P. H., LeMasters G. K., Khurana Hershey G. K., Reponen T., Villareal M., Lockey J. and Bernstein D. I. (20150814). Duration of day care attendance during infancy predicts asthma at the age of seven: the Cincinnati Childhood Allergy and Air Pollution Study. : Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology.
MLA
Cheng G, Smith A M, Levin L, Epstein T, Ryan P H, LeMasters G K, Khurana Hershey G K, Reponen T, Villareal M, Lockey J and Bernstein D I. Duration of day care attendance during infancy predicts asthma at the age of seven: the Cincinnati Childhood Allergy and Air Pollution Study. : Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology. 20150814.