APA (7th ed.) Citation

Elliott, G. R., & Feldman, S. S. (1990). At the Threshold: The developing adolescent. Harvard University Press.

Chicago Style (17th ed.) Citation

Elliott, Glen R., and S. Shirley Feldman. At the Threshold: The Developing Adolescent. Cambridge, Mass: Harvard University Press, 1990.

MLA (9th ed.) Citation

Elliott, Glen R., and S. Shirley Feldman. At the Threshold: The Developing Adolescent. Harvard University Press, 1990.