APA (7th ed.) Citation

Ellis, W. F., & Epstein, K. K. (1992). Who needs defending--textbook publishers or students? Phi Delta Kappan, 74(2), 163.

Chicago Style (17th ed.) Citation

Ellis, William F., and Kitty Kelly Epstein. "Who Needs Defending--textbook Publishers or Students?" Phi Delta Kappan 74, no. 2 (1992): 163.

MLA (9th ed.) Citation

Ellis, William F., and Kitty Kelly Epstein. "Who Needs Defending--textbook Publishers or Students?" Phi Delta Kappan, vol. 74, no. 2, 1992, p. 163.