APA (7th ed.) Citation

Gielniak, J., & Siemion, W. (1965). Siemion Woytek.

Chicago Style (17th ed.) Citation

Gielniak, Józef, and Wojciech Siemion. Siemion Woytek. [S. l.], 1965.

MLA (9th ed.) Citation

Gielniak, Józef, and Wojciech Siemion. Siemion Woytek. 1965.

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