APA (7th ed.) Citation

Jakubowski, W., & Haffki, H. (1988). Exlibris Heinz Haffki.

Chicago Style (17th ed.) Citation

Jakubowski, Wojciech, and Heinz Haffki. Exlibris Heinz Haffki. [Gdynia, 1988.

MLA (9th ed.) Citation

Jakubowski, Wojciech, and Heinz Haffki. Exlibris Heinz Haffki. 1988.

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