APA (7th ed.) Citation

Feil, O., & Bergman, G. (1961). Ex Libris Gerard Bergman.

Chicago Style (17th ed.) Citation

Feil, Otto, and Gerard Bergman. Ex Libris Gerard Bergman. [S.l.], 1961.

MLA (9th ed.) Citation

Feil, Otto, and Gerard Bergman. Ex Libris Gerard Bergman. 1961.

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