APA (7th ed.) Citation

Jakubowski, W., & Schwarz, H. (1984). Ex Libris Herbert Schwarz.

Chicago Style (17th ed.) Citation

Jakubowski, Wojciech, and Herbert Schwarz. Ex Libris Herbert Schwarz. [Gdynia, 1984.

MLA (9th ed.) Citation

Jakubowski, Wojciech, and Herbert Schwarz. Ex Libris Herbert Schwarz. 1984.

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