APA (7th ed.) Citation

Chapman, E. N. (2005). Comfort zones: Planning a fulfilling retirement (5th ed.). Thompson Course Technology, PTR.

Chicago Style (17th ed.) Citation

Chapman, Elwood N. Comfort Zones: Planning a Fulfilling Retirement. 5th ed. Boston, MA: Thompson Course Technology, PTR, 2005.

MLA (9th ed.) Citation

Chapman, Elwood N. Comfort Zones: Planning a Fulfilling Retirement. 5th ed. Thompson Course Technology, PTR, 2005.

Warning: These citations may not always be 100% accurate.