APA (7th ed.) Citation

Klukowski, Z., Klukowski, A., & May, H. K. (1993). Diary from the years of occupation, 1939-44. University of Illinois Press.

Chicago Style (17th ed.) Citation

Klukowski, Zygmunt, Andrew Klukowski, and Helen Klukowski May. Diary from the Years of Occupation, 1939-44. Urbana: University of Illinois Press, 1993.

MLA (8th ed.) Citation

Klukowski, Zygmunt, et al. Diary from the Years of Occupation, 1939-44. University of Illinois Press, 1993.