Citations refer to the original publication, not to a Scieee localized version.
Hein, E., Niechoj, T., & Truger, A. (2009). Special Issue on "Current relevance and perspectives of Keynesian Economics". Editorial to the Special Issue. Intervention. European Journal of Economics and Economic Policies, 06(2), 203–205. https://doi.org/10.4337/ejeep.2009.02.06
Hein, Eckhard, et al. “Special Issue on "Current relevance and perspectives of Keynesian Economics". Editorial to the Special Issue.” Intervention. European Journal of Economics and Economic Policies, vol. 06, no. 2, 2009, pp. 203–205. https://doi.org/10.4337/ejeep.2009.02.06.
Hein, Eckhard, Torsten Niechoj, and Achim Truger. “Special Issue on "Current relevance and perspectives of Keynesian Economics". Editorial to the Special Issue.” Intervention. European Journal of Economics and Economic Policies 06, no. 2 (2009): 203–205. https://doi.org/10.4337/ejeep.2009.02.06.
Hein, E., Niechoj, T. and Truger, A. (2009) ‘Special Issue on "Current relevance and perspectives of Keynesian Economics". Editorial to the Special Issue’, Intervention. European Journal of Economics and Economic Policies, 06(2), pp. 203–205. Available at: https://doi.org/10.4337/ejeep.2009.02.06.
E. Hein, T. Niechoj, and A. Truger, “Special Issue on "Current relevance and perspectives of Keynesian Economics". Editorial to the Special Issue,” Intervention. European Journal of Economics and Economic Policies, vol. 06, no. 2, pp. 203–205, 2009, doi: 10.4337/ejeep.2009.02.06.
@article{hein2009special,
author = {Hein, Eckhard and Niechoj, Torsten and Truger, Achim},
title = {Special Issue on "Current relevance and perspectives of Keynesian Economics". Editorial to the Special Issue},
journal = {Intervention. European Journal of Economics and Economic Policies},
year = {2009},
volume = {06},
number = {2},
pages = {203--205},
publisher = {Marburg: Metropolis-Verlag},
doi = {10.4337/ejeep.2009.02.06},
url = {https://doi.org/10.4337/ejeep.2009.02.06}
}