Excursion guides.

APA Citation

International Sedimentological Congress (7th : 1967 : Edinburgh and Reading). (1967). Excursion guides. [London?].

MLA Citation

International Sedimentological Congress (7th : 1967 : Edinburgh and Reading). Excursion Guides. [London?], 1967.

Warning: These citations may not always be complete (especially for serials).