APA (7th ed.) Citation

Krause-Vilmar, D., Giordano, R., & Klug, U. (1990). Ralph Giordano.

Chicago Style (17th ed.) Citation

Krause-Vilmar, Dietfrid, Ralph Giordano, and Ulrich Klug. Ralph Giordano. Kassel, 1990.

MLA (8th ed.) Citation

Krause-Vilmar, Dietfrid, et al. Ralph Giordano. 1990.