APA (7th ed.) Citation

Dolatowski, Z., & Chojna, J. (1967). Ex Libris Dr Jana Chojny.

Chicago Style (17th ed.) Citation

Dolatowski, Zbigniew, and Jan Chojna. Ex Libris Dr Jana Chojny. [S. l.], 1967.

MLA (9th ed.) Citation

Dolatowski, Zbigniew, and Jan Chojna. Ex Libris Dr Jana Chojny. 1967.

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