APA (7th ed.) Citation

Maclaren, A., & Sikorski, W. (1942). Poland at arms. John Murray.

Chicago Style (17th ed.) Citation

Maclaren, Anna, and Wladyslaw Sikorski. Poland at Arms. London: John Murray, 1942.

MLA (8th ed.) Citation

Maclaren, Anna, and Wladyslaw Sikorski. Poland at Arms. John Murray, 1942.