APA
Little T. D. (., Schnabel K. U. (. & Baumert J. (. (2000). Modeling longitudinal and multilevel data: Practical issues. New Jersey: Lawrence Erlbaum Associates.
Chicago
Little Todd D (ed), Schnabel Kai U (ed) and Baumert Jurgen (ed). 2000. Modeling longitudinal and multilevel data: Practical issues. New Jersey: Lawrence Erlbaum Associates.
Harvard
Little T. D. (., Schnabel K. U. (. and Baumert J. (. (2000). Modeling longitudinal and multilevel data: Practical issues. New Jersey: Lawrence Erlbaum Associates.
MLA
Little Todd D (ed), Schnabel Kai U (ed) and Baumert Jurgen (ed). Modeling longitudinal and multilevel data: Practical issues. New Jersey: Lawrence Erlbaum Associates. 2000.