APA (7th ed.) Citation

Sampson, R. J., Laub, J. H., & Doherty, E. E. (2004). On the robustness and validity of groups. Journal of quantitative criminology, 20(1), 37-42.

Chicago Style (17th ed.) Citation

Sampson, Robert J., John H. Laub, and Elaine Eggleston Doherty. "On the Robustness and Validity of Groups." Journal of Quantitative Criminology 20, no. 1 (2004): 37-42.

MLA (8th ed.) Citation

Sampson, Robert J., et al. "On the Robustness and Validity of Groups." Journal of Quantitative Criminology, vol. 20, no. 1, 2004, pp. 37-42.