APA (7th ed.) Citation

Leo, J., & Wojtkowski, J. (2008). Dzieje Prus. [Julian Wojtkowski].

Chicago Style (17th ed.) Citation

Leo, Jan, and Julian Wojtkowski. Dzieje Prus. Olsztyn: [Julian Wojtkowski], 2008.

MLA (9th ed.) Citation

Leo, Jan, and Julian Wojtkowski. Dzieje Prus. [Julian Wojtkowski], 2008.

Warning: These citations may not always be 100% accurate.