The practice of group analysis
MLA
Pines, Malcolm, and Jeff Roberts. The Practice of Group Analysis. London: Routledge & Kegen Paul, 1991.
APA
Pines, M., & Roberts, J. (1991). The practice of group analysis. London: Routledge & Kegen Paul.
Chicago
Pines, Malcolm, ed., and Jeff Roberts ed. The Practice of Group Analysis. London: Routledge & Kegen Paul, 1991.