APA
Velasquez C. C., . (1975). Digenetic trematodes of Philippine fishes. Quezon City: National Research Council of the Philippines by the University of the Philippines Press.
Chicago
Velasquez Carmen C, . 1975. Digenetic trematodes of Philippine fishes. Quezon City: National Research Council of the Philippines by the University of the Philippines Press.
Harvard
Velasquez C. C., . (1975). Digenetic trematodes of Philippine fishes. Quezon City: National Research Council of the Philippines by the University of the Philippines Press.
MLA
Velasquez Carmen C, . Digenetic trematodes of Philippine fishes. Quezon City: National Research Council of the Philippines by the University of the Philippines Press. 1975.