APA (7th ed.) Citation

Bortowski, A., & Wolicki, J. (1968). Ex Libris Jerzy Wolicki.

Chicago Style (17th ed.) Citation

Bortowski, Andrzej, and Jerzy Wolicki. Ex Libris Jerzy Wolicki. 1968.

MLA (9th ed.) Citation

Bortowski, Andrzej, and Jerzy Wolicki. Ex Libris Jerzy Wolicki. 1968.

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