APA (7th ed.) Citation

Novák, L., & Krombholz, B. (1916). Ex Libris Boh. Krombholz.

Chicago Style (17th ed.) Citation

Novák, Láďa, and Bohumil Krombholz. Ex Libris Boh. Krombholz. [S. l.], 1916.

MLA (9th ed.) Citation

Novák, Láďa, and Bohumil Krombholz. Ex Libris Boh. Krombholz. 1916.

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