Higham, J., Early, G. L., Gerstle, G., Hewitt, N., Ruiz, V. L., & Kulik, G. (1993). Special issue on multiculturalism. Baltimore: Johns Hopkins University Press for the American Studies Association.

Higham, John., Gerald Lyn Early, Gary Gerstle, Nancy Hewitt, Vicki L. Ruiz, and Gary Kulik. Special Issue On Multiculturalism. Baltimore: Johns Hopkins University Press for the American Studies Association, 1993.

Higham, John., et al. Special Issue On Multiculturalism. Baltimore: Johns Hopkins University Press for the American Studies Association, 1993.