APA (7th ed.) Citation

Stevens, N. J., Uzumeri, S. M., & Collins, M. P. (1991). Constitutive model for reinforced concrete finite element analysis. ACI Structural Journal, 88, 49.

Chicago Style (17th ed.) Citation

Stevens, N. J., S. M. Uzumeri, and M. P. Collins. "Constitutive Model for Reinforced Concrete Finite Element Analysis." ACI Structural Journal 88 (1991): 49.

MLA (9th ed.) Citation

Stevens, N. J., et al. "Constitutive Model for Reinforced Concrete Finite Element Analysis." ACI Structural Journal, vol. 88, 1991, p. 49.