APA (7th ed.) Citation

Schmidt, M. G., Lehner, F., & Castles, F. G. (1987). Managing Mixed Economies. De Gruyter. https://doi.org/10.1515/9783110900262

Chicago Style (17th ed.) Citation

Schmidt, Manfred G., Franz Lehner, and Francis G. Castles. Managing Mixed Economies. De Gruyter, 1987. https://doi.org/10.1515/9783110900262.

MLA (9th ed.) Citation

Schmidt, Manfred G., et al. Managing Mixed Economies. De Gruyter, 1987. https://doi.org/10.1515/9783110900262.