Cita APA (7a ed.)

Cumming, J., Cumming, E., & Stanton, A. H. (1969). Ego & milieu: Theory and practice of environmental therapy (6th printing.). Atherton Press.

Cita Chicago Style (17a ed.)

Cumming, John, Elaine Cumming, y Alfred H. Stanton. Ego & Milieu: Theory and Practice of Environmental Therapy. 6th printing. New York: Atherton Press, 1969.

Cita MLA (9a ed.)

Cumming, John, et al. Ego & Milieu: Theory and Practice of Environmental Therapy. 6th printing. Atherton Press, 1969.