APA
Gallagher-Thompson D., Steffen A. & Thompson L. W. (2008). Handbook of behavioral and cognitive therapies with older adults. New York: Springer.
Chicago
Gallagher-Thompson Dolores, Steffen Ann and Thompson Larry W. 2008. Handbook of behavioral and cognitive therapies with older adults. New York: Springer.
Harvard
Gallagher-Thompson D., Steffen A. and Thompson L. W. (2008). Handbook of behavioral and cognitive therapies with older adults. New York: Springer.
MLA
Gallagher-Thompson Dolores, Steffen Ann and Thompson Larry W. Handbook of behavioral and cognitive therapies with older adults. New York: Springer. 2008.