APA (7th ed.) Citation

International Geographical Union. Orbis geographicus.: Adressar géographique du monde. World directory of geography. Geographisches Weltadressbuch. F. Steiner.

Chicago Style (17th ed.) Citation

International Geographical Union. Orbis Geographicus.: Adressar Géographique Du Monde. World Directory of Geography. Geographisches Weltadressbuch. Wiesbaden: F. Steiner.

MLA (9th ed.) Citation

International Geographical Union. Orbis Geographicus.: Adressar Géographique Du Monde. World Directory of Geography. Geographisches Weltadressbuch. F. Steiner.

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