APA
International Congress of Parasitology, . (1978). Fourth international congress of parasitology. Warszawa, Poland: Congress of Parasitology. Committe of the Fourth International.
Chicago
International Congress of Parasitology, . 1978. Fourth international congress of parasitology. Warszawa, Poland: Congress of Parasitology. Committe of the Fourth International.
Harvard
International Congress of Parasitology, . (1978). Fourth international congress of parasitology. Warszawa, Poland: Congress of Parasitology. Committe of the Fourth International.
MLA
International Congress of Parasitology, . Fourth international congress of parasitology. Warszawa, Poland: Congress of Parasitology. Committe of the Fourth International. 1978.