APA
World Health Organization, . (1953). First International syposium on Yaws control (World health organization monograph series No.15): premier symposium international sur la lutte contre le pian. Geneva: World Health Organization.
Chicago
World Health Organization, . 1953. First International syposium on Yaws control (World health organization monograph series No.15): premier symposium international sur la lutte contre le pian. Geneva: World Health Organization.
Harvard
World Health Organization, . (1953). First International syposium on Yaws control (World health organization monograph series No.15): premier symposium international sur la lutte contre le pian. Geneva: World Health Organization.
MLA
World Health Organization, . First International syposium on Yaws control (World health organization monograph series No.15): premier symposium international sur la lutte contre le pian. Geneva: World Health Organization. 1953.