APA (7th ed.) Citation

(1973). International bibliography of directories =: Internationale Bibliographie der Fachadressbücher (5th rev. ed.). R.R. Bowker ; Verlag Dokumentation.

Chicago Style (17th ed.) Citation

International Bibliography of Directories =: Internationale Bibliographie Der Fachadressbücher. 5th rev. ed. New York : Pullach/München: R.R. Bowker ; Verlag Dokumentation, 1973.

MLA (9th ed.) Citation

International Bibliography of Directories =: Internationale Bibliographie Der Fachadressbücher. 5th rev. ed. R.R. Bowker ; Verlag Dokumentation, 1973.