APA
Knight B., . (2004). Psychotherapy with older adults. California # New Delhi: SAGE Publications.
Chicago
Knight Bob.G, . 2004. Psychotherapy with older adults. California # New Delhi: SAGE Publications.
Harvard
Knight B., . (2004). Psychotherapy with older adults. California # New Delhi: SAGE Publications.
MLA
Knight Bob.G, . Psychotherapy with older adults. California # New Delhi: SAGE Publications. 2004.