APA (7th ed.) Citation

Early, M., Srygley, S., & Wenzel, E. L. (1974). Wider than the sky (2nd ed.). Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

Early, Margaret, Sara Srygley, and Evelyn L. Wenzel. Wider than the Sky. 2nd ed. New York: Harcourt, Brace & World, 1974.

MLA (9th ed.) Citation

Early, Margaret, et al. Wider than the Sky. 2nd ed. Harcourt, Brace & World, 1974.