Cita APA

Astrom, R. L., Wadsworth, S. J., Olson, R. K., Willcutt, E. G., & DeFries, J. C. (2011). DeFries-Fulker analysis of longitudinal reading performance data from twin pairs ascertained for reading difficulties and from their nontwin siblings.

Chicago Style Citation

Astrom, Raven L., Sally J. Wadsworth, Richard K. Olson, Erik G. Willcutt, i John C. DeFries. DeFries-Fulker Analysis of Longitudinal Reading Performance Data From Twin Pairs Ascertained for Reading Difficulties and From Their Nontwin Siblings. 2011.

Cita MLA

Astrom, Raven L., et al. DeFries-Fulker Analysis of Longitudinal Reading Performance Data From Twin Pairs Ascertained for Reading Difficulties and From Their Nontwin Siblings. 2011.