APA (7th ed.) Citation

Brown, G. W., & Harris, T. O. (1989). Life events and illness. Guilford Press.

Chicago Style (17th ed.) Citation

Brown, George W., and Tirril O. Harris. Life Events and Illness. New York: Guilford Press, 1989.

MLA (9th ed.) Citation

Brown, George W., and Tirril O. Harris. Life Events and Illness. Guilford Press, 1989.