APA (7th ed.) Citation

Barthel, M., & Weidner, B. (1983). Signaturen: Autographen berühmter Persönlichkeiten. Heyne.

Chicago Style (17th ed.) Citation

Barthel, Manfred, and Bernhard Weidner. Signaturen: Autographen Berühmter Persönlichkeiten. München: Heyne, 1983.

MLA (9th ed.) Citation

Barthel, Manfred, and Bernhard Weidner. Signaturen: Autographen Berühmter Persönlichkeiten. Heyne, 1983.

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