APA
M. W. Woerdeman, . (1964). Excerpta Medica. New York: Excerpta Medica Foundation.
Chicago
M. W. Woerdeman, . 1964. Excerpta Medica. New York: Excerpta Medica Foundation.
Harvard
M. W. Woerdeman, . (1964). Excerpta Medica. New York: Excerpta Medica Foundation.
MLA
M. W. Woerdeman, . Excerpta Medica. New York: Excerpta Medica Foundation. 1964.