American contributions to the Fifth International Congress of Slavists :
Sofia, September 1963.
APA Citation
International Congress of Slavists (5th : 1963 : Sofia, B. (1963). American contributions to the Fifth International Congress of Slavists: Sofia, September 1963. The Hague: Mouton.
MLA Citation
International Congress of Slavists (5th : 1963 : Sofia, Bulgaria). American Contributions to the Fifth International Congress of Slavists: Sofia, September 1963. The Hague: Mouton, 1963.
Warning: These citations may not always be complete (especially for serials).