APA (7th ed.) Citation
Janíček, F., Kultan, J., Korec, M., & Poljovka, P. Selected economic aspects of using renewable energy sources.
Chicago Style (17th ed.) Citation
Janíček, František, Jaroslav Kultan, Matej Korec, and Peter Poljovka. Selected Economic Aspects of Using Renewable Energy Sources.
MLA (9th ed.) Citation
Janíček, František, et al. Selected Economic Aspects of Using Renewable Energy Sources.
Warning: These citations may not always be 100% accurate.