APA (7th ed.) Citation
ebrary, Inc. (2005). Comfort zones: Planning for a fulfilling retirement, fifth edition (5th ed.). Thomson Course Technology PTR.
Chicago Style (17th ed.) Citation
ebrary, Inc. Comfort Zones: Planning for a Fulfilling Retirement, Fifth Edition. 5th ed. Boston, MA: Thomson Course Technology PTR, 2005.
MLA (9th ed.) Citation
ebrary, Inc. Comfort Zones: Planning for a Fulfilling Retirement, Fifth Edition. 5th ed. Thomson Course Technology PTR, 2005.
Warning: These citations may not always be 100% accurate.