APA

Bonilla C., Lawlor D. A., Taylor A. E., Gunnell D. J., Ben-Shlomo Y., Ness A. R., Timpson N. J., St Pourcain B., Ring S. M., Emmett P. M., Smith A. D., Refsum H., Pennell C. E., Brion M., Smith G. D. & Lewis S. J. (20130521). Vitamin B-12 status during pregnancy and child's IQ at age 8: a Mendelian randomization study in the Avon longitudinal study of parents and children. : PloS one.

Chicago

Bonilla Carolina, Lawlor Debbie A, Taylor Amy E, Gunnell David J, Ben-Shlomo Yoav, Ness Andrew R, Timpson Nicholas J, St Pourcain Beate, Ring Susan M, Emmett Pauline M, Smith A David, Refsum Helga, Pennell Craig E, Brion Marie-Jo, Smith George Davey and Lewis Sarah J. 20130521. Vitamin B-12 status during pregnancy and child's IQ at age 8: a Mendelian randomization study in the Avon longitudinal study of parents and children. : PloS one.

Harvard

Bonilla C., Lawlor D. A., Taylor A. E., Gunnell D. J., Ben-Shlomo Y., Ness A. R., Timpson N. J., St Pourcain B., Ring S. M., Emmett P. M., Smith A. D., Refsum H., Pennell C. E., Brion M., Smith G. D. and Lewis S. J. (20130521). Vitamin B-12 status during pregnancy and child's IQ at age 8: a Mendelian randomization study in the Avon longitudinal study of parents and children. : PloS one.

MLA

Bonilla Carolina, Lawlor Debbie A, Taylor Amy E, Gunnell David J, Ben-Shlomo Yoav, Ness Andrew R, Timpson Nicholas J, St Pourcain Beate, Ring Susan M, Emmett Pauline M, Smith A David, Refsum Helga, Pennell Craig E, Brion Marie-Jo, Smith George Davey and Lewis Sarah J. Vitamin B-12 status during pregnancy and child's IQ at age 8: a Mendelian randomization study in the Avon longitudinal study of parents and children. : PloS one. 20130521.