APA (7th ed.) Citation

Kuncewiczowa, M. S. (1945). The keys: A journey through Europe at war. Hutchinson international authors ltd.

Chicago Style (17th ed.) Citation

Kuncewiczowa, Maria Szczepańska. The Keys: A Journey Through Europe at War. London, New York [etc.]: Hutchinson international authors ltd, 1945.

MLA (8th ed.) Citation

Kuncewiczowa, Maria Szczepańska. The Keys: A Journey Through Europe at War. Hutchinson international authors ltd, 1945.