Cita APA (7a ed.)
Frey, B. S., & Schaltegger, C. A. (2019). 21st Century Economics: Economic Ideas You Should Read and Remember. Springer.
Cita Chicago Style (17a ed.)
Frey, Bruno S., y Christoph A. Schaltegger. 21st Century Economics: Economic Ideas You Should Read and Remember. Cham: Springer, 2019.
Cita MLA (9a ed.)
Frey, Bruno S., y Christoph A. Schaltegger. 21st Century Economics: Economic Ideas You Should Read and Remember. Springer, 2019.
Precaución: Estas citas no son 100% exactas.