MLA

Bartnik, and Tomasz Wojciech Kowalczyk. Hierarchical Gas-gas Systems. Springer International Publishing, 2021.

APA

Bartnik, B., & Kowalczyk, T. Wojciech. (2021). Hierarchical Gas-Gas Systems. Springer International Publishing.

Chicago

Bartnik, and Tomasz Wojciech Kowalczyk. Hierarchical Gas-Gas Systems. : Springer International Publishing, 2021.