APA (7th ed.) Citation

Firestien, R. L. (1989). Why Didn't I think of that?: A fable , a personal & professional guide to better ideas and decision making (2nd ed.). United Educational Services.

Chicago Style (17th ed.) Citation

Firestien, Roger L. Why Didn't I Think of That?: A Fable , a Personal & Professional Guide to Better Ideas and Decision Making. 2nd ed. Buffalo, NY: United Educational Services, 1989.

MLA (9th ed.) Citation

Firestien, Roger L. Why Didn't I Think of That?: A Fable , a Personal & Professional Guide to Better Ideas and Decision Making. 2nd ed. United Educational Services, 1989.