APA (7th ed.) Citation

Nothhelfer, G., & Nothhelfer, H. (1980). Gabriele und Helmut Nothhelfer.

Chicago Style (17th ed.) Citation

Nothhelfer, Gabriele, and Helmut Nothhelfer. Gabriele Und Helmut Nothhelfer. Berlin, 1980.

MLA (8th ed.) Citation

Nothhelfer, Gabriele, and Helmut Nothhelfer. Gabriele Und Helmut Nothhelfer. 1980.

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