APA (7th ed.) Citation

Hay, D., Bennett, K., Mcstephen, M., Rooney, R., & Levy, F. (2004). Attention deficit - hyperactivity disorder in twins: A developmental genetic analysis. Taylor & Francis.

Chicago Style (17th ed.) Citation

Hay, David, Kellie Bennett, Michael Mcstephen, Rosanna Rooney, and F. Levy. Attention Deficit - Hyperactivity Disorder in Twins: A Developmental Genetic Analysis. Taylor & Francis, 2004.

MLA (9th ed.) Citation

Hay, David, et al. Attention Deficit - Hyperactivity Disorder in Twins: A Developmental Genetic Analysis. Taylor & Francis, 2004.