APA (7th ed.) Citation

Kizny, T., Davies, N., & Tillmann, M. (2004). Gulag. Hamburger Edition.

Chicago Style (17th ed.) Citation

Kizny, Tomasz, Norman Davies, and Michael Tillmann. Gulag. Hamburg: Hamburger Edition, 2004.

MLA (8th ed.) Citation

Kizny, Tomasz, et al. Gulag. Hamburger Edition, 2004.