APA (7th ed.) Citation

Beier, O., & Ladner, B. (1967). Ex Libris Barbara Ladner.

Chicago Style (17th ed.) Citation

Beier, Ottohans, and Barbara Ladner. Ex Libris Barbara Ladner. [München, 1967.

MLA (9th ed.) Citation

Beier, Ottohans, and Barbara Ladner. Ex Libris Barbara Ladner. 1967.

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