APA (7th ed.) Citation

National Opinion Research Center, C., IL., Green, P. J., Hoogstra, L. A., Ingels, S. J., Greene, H. N., & Marnell, P. K. (1997). Formulating a Design for the ECLS: A Review of Longitudinal Studies. Working Paper Series.

Chicago Style (17th ed.) Citation

National Opinion Research Center, Chicago, IL., Patricia J. Green, Lisa A. Hoogstra, Steven J. Ingels, Harrison N. Greene, and Patricia K. Marnell. Formulating a Design for the ECLS: A Review of Longitudinal Studies. Working Paper Series. 1997.

MLA (9th ed.) Citation

National Opinion Research Center, Chicago, IL., et al. Formulating a Design for the ECLS: A Review of Longitudinal Studies. Working Paper Series. 1997.