Cita APA (7th ed.)
Halperin, E. P. (1971). Imitation in children. University of Chicago.
Cita Chicago (17th ed.)
Halperin, Elaine P. Imitation in Children. London: University of Chicago, 1971.
Cita MLA (9th ed.)
Halperin, Elaine P. Imitation in Children. University of Chicago, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.