APA (7th ed.) Citation

Alexander, C. N., & Langer, E. J. (1990). Higher stages of human development: Perspectives on adult growth. Oxford University Press.

Chicago Style (17th ed.) Citation

Alexander, Charles N., and Ellen J. Langer. Higher Stages of Human Development: Perspectives on Adult Growth. New York [u.a.]: Oxford University Press, 1990.

MLA (8th ed.) Citation

Alexander, Charles N., and Ellen J. Langer. Higher Stages of Human Development: Perspectives on Adult Growth. Oxford University Press, 1990.