APA (7th ed.) Citation

Kaldewey, G. A. (1981). Wolken. Kaldewey-Presse.

Chicago Style (17th ed.) Citation

Kaldewey, Gunnar A. Wolken. Düsseldorf: Kaldewey-Presse, 1981.

MLA (9th ed.) Citation

Kaldewey, Gunnar A. Wolken. Kaldewey-Presse, 1981.