APA (7th ed.) Citation

Stopa, J., Wojnarowski, P., & Rychlicki, S. Environmental and economical aspects of low quality gas utilization.

Chicago Style (17th ed.) Citation

Stopa, Jerzy, Pawel Wojnarowski, and Stanislaw Rychlicki. Environmental and Economical Aspects of Low Quality Gas Utilization.

MLA (9th ed.) Citation

Stopa, Jerzy, et al. Environmental and Economical Aspects of Low Quality Gas Utilization.