Cita APA (7th ed.)
Symposium on Maternal Recognition of Pregnancy London, England, & ebrary, Inc. (1979). Maternal recognition of pregnancy. Excerpta Medica.
Cita Chicago (17th ed.)
Symposium on Maternal Recognition of Pregnancy London, England, i Inc ebrary. Maternal Recognition of Pregnancy. Amsterdam ; New York: Excerpta Medica, 1979.
Cita MLA (9th ed.)
Symposium on Maternal Recognition of Pregnancy London, England, i Inc ebrary. Maternal Recognition of Pregnancy. Excerpta Medica, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.