APA (7th ed.) Citation

Gruber, B., & Keller, H. M. (1981). Foto, Film, Video. Vehling.

Chicago Style (17th ed.) Citation

Gruber, Bernd, and Henry M. Keller. Foto, Film, Video. Menden, Sauerland (u.a.): Vehling, 1981.

MLA (9th ed.) Citation

Gruber, Bernd, and Henry M. Keller. Foto, Film, Video. Vehling, 1981.

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