APA (7th ed.) Citation
Frey, B. S. Tertium datur: Pricing, regulating and intrinsic motivation.
Chicago Style (17th ed.) Citation
Frey, B. S. Tertium Datur: Pricing, Regulating and Intrinsic Motivation.
MLA (9th ed.) Citation
Frey, B. S. Tertium Datur: Pricing, Regulating and Intrinsic Motivation.
Warning: These citations may not always be 100% accurate.