APA (7th ed.) Citation

Chapman, E. N., & Haynes, M. E. (1997). Comfort zones: Planning your future (4th ed.). Crisp Learning.

Chicago Style (17th ed.) Citation

Chapman, Elwood N., and Marion E. Haynes. Comfort Zones: Planning Your Future. 4th ed. Menlo Park, Calif: Crisp Learning, 1997.

MLA (9th ed.) Citation

Chapman, Elwood N., and Marion E. Haynes. Comfort Zones: Planning Your Future. 4th ed. Crisp Learning, 1997.