APA (7th ed.) Citation

Jakubowski, W., & Torkler, H. (1984). Ex Libris Hans Torkler.

Chicago Style (17th ed.) Citation

Jakubowski, Wojciech, and Hans Torkler. Ex Libris Hans Torkler. [Gdynia, 1984.

MLA (9th ed.) Citation

Jakubowski, Wojciech, and Hans Torkler. Ex Libris Hans Torkler. 1984.

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