APA (7th ed.) Citation

Molderings, H., & Umbo. (1996). Umbo: Introduction par Herbert Molderings.

Chicago Style (17th ed.) Citation

Molderings, Herbert, and Umbo. Umbo: Introduction Par Herbert Molderings. Paris, 1996.

MLA (8th ed.) Citation

Molderings, Herbert, and Umbo. Umbo: Introduction Par Herbert Molderings. 1996.