APA (7th ed.) Citation

Symposium on the Parent-Infant Relationship London, England, Ciba Foundation, Porter, R., & O'Connor, M. (1975). Parent-infant interaction. Elsevier : Excerpta Medica.

Chicago Style (17th ed.) Citation

Symposium on the Parent-Infant Relationship London, England, Ciba Foundation, Ruth Porter, and Maeve O'Connor. Parent-infant Interaction. Amsterdam ; New York: Elsevier : Excerpta Medica, 1975.

MLA (8th ed.) Citation

Symposium on the Parent-Infant Relationship London, England, et al. Parent-infant Interaction. Elsevier : Excerpta Medica, 1975.