APA (7th ed.) Citation

(1964). Who is who an Rhein und Ruhr. UDM Verlag.

Chicago Style (17th ed.) Citation

Who Is Who an Rhein Und Ruhr. München: UDM Verlag, 1964.

MLA (8th ed.) Citation

Who Is Who an Rhein Und Ruhr. UDM Verlag, 1964.

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