APA (7th ed.) Citation

Hewstone, M., Islam, M., & Judd, C. (1993). Models of crossed categorization and intergroup relations.

Chicago Style (17th ed.) Citation

Hewstone, M., MR Islam, and C. Judd. Models of Crossed Categorization and Intergroup Relations. 1993.

MLA (9th ed.) Citation

Hewstone, M., et al. Models of Crossed Categorization and Intergroup Relations. 1993.