APA (7th ed.) Citation

Gjessing, H., & Karlsen, B. (1989). A longitudinal study of dyslexia: Bergen's multivariate study of children's learning disabilities. Springer.

Chicago Style (17th ed.) Citation

Gjessing, Hans-Jörgen, and Bjorn Karlsen. A Longitudinal Study of Dyslexia: Bergen's Multivariate Study of Children's Learning Disabilities. New York Berlin Heidelberg [u.a.]: Springer, 1989.

MLA (9th ed.) Citation

Gjessing, Hans-Jörgen, and Bjorn Karlsen. A Longitudinal Study of Dyslexia: Bergen's Multivariate Study of Children's Learning Disabilities. Springer, 1989.