APA (7th ed.) Citation

Jones, B. L., & Nagin, D. (2007). Advances in group-based trajectory modeling and an SAS procedure for estimating them. Sociological methods and research, 35(4), 542-571. doi:10.1177/0049124106292364

Chicago Style (17th ed.) Citation

Jones, Bobby L., and Daniel Nagin. "Advances in Group-based Trajectory Modeling and an SAS Procedure for Estimating Them." Sociological Methods and Research 35, no. 4 (2007): 542-571. https://doi.org/10.1177/0049124106292364.

MLA (9th ed.) Citation

Jones, Bobby L., and Daniel Nagin. "Advances in Group-based Trajectory Modeling and an SAS Procedure for Estimating Them." Sociological Methods and Research, vol. 35, no. 4, 2007, pp. 542-571, https://doi.org/10.1177/0049124106292364.

Warning: These citations may not always be 100% accurate.