APA (7th ed.) Citation

Ridder, H. (1966). Notstand '66. Pahl Rugenstein.

Chicago Style (17th ed.) Citation

Ridder, Helmut. Notstand '66. Köln: Pahl Rugenstein, 1966.

MLA (8th ed.) Citation

Ridder, Helmut. Notstand '66. Pahl Rugenstein, 1966.

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