Guide to excursion[s.
Norway. Guide-book a-r]
Editor of Norwegian guide-books: Johannes A. Dons, secretary to the Norwegian Government's organizing committee for the International Geological Congress.
APA Citation
International Geological Congress (21st : 1960 : Copenhagen, D. (1960). Guide to excursion[s: Norway. Guide-book a-r]. Oslo.
MLA Citation
International Geological Congress (21st : 1960 : Copenhagen, Denmark). Guide to Excursion[s: Norway. Guide-book A-r]. Oslo, 1960.
Warning: These citations may not always be complete (especially for serials).