APA (7th ed.) Citation

Bürck, P., & Biermer, R. (1906). Ex Libris Rudi Biermer.

Chicago Style (17th ed.) Citation

Bürck, Paul, and Rudi Biermer. Ex Libris Rudi Biermer. [Roma], 1906.

MLA (9th ed.) Citation

Bürck, Paul, and Rudi Biermer. Ex Libris Rudi Biermer. 1906.

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