APA (7e ed.) Bronvermelding
Symposium on the Fetus and Birth London, England, Ciba Foundation, & ebrary, Inc. (1977). The fetus and birth. Elsevier/Excerpta Medica/North-Holland ; Elsevier North-Holland.
Chicago (17e ed.) Bronvermelding
Symposium on the Fetus and Birth London, England, Ciba Foundation, en Inc ebrary. The Fetus and Birth. Amsterdam ; New York : New York: Elsevier/Excerpta Medica/North-Holland ; Elsevier North-Holland, 1977.
MLA (9e ed.) Bronvermelding
Symposium on the Fetus and Birth London, England, et al. The Fetus and Birth. Elsevier/Excerpta Medica/North-Holland ; Elsevier North-Holland, 1977.
Let op: Deze citaties zijn niet altijd 100% accuraat.