APA (7th ed.) Citation

Jakubowski, W., & Křupkova, V. (1980). Ex Libris Vera Křupkova.

Chicago Style (17th ed.) Citation

Jakubowski, Wojciech, and Věra Křupkova. Ex Libris Vera Křupkova. [Gdynia, 1980.

MLA (9th ed.) Citation

Jakubowski, Wojciech, and Věra Křupkova. Ex Libris Vera Křupkova. 1980.

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