APA (7th ed.) Citation
Brezina, I., Čičková, Z., & Pekár, J. Model of Paper Recycling.
Chicago Style (17th ed.) Citation
Brezina, Ivan, Zuzana Čičková, and Juraj Pekár. Model of Paper Recycling.
MLA (9th ed.) Citation
Brezina, Ivan, et al. Model of Paper Recycling.
Warning: These citations may not always be 100% accurate.