The development of role-taking and communication skills in children /
[by] John H. Flavell, in collaboration with Patricia T. Botkin [and others]

APA Citation

Flavell, J. H., Botkin, P. T.. (1968). The development of role-taking and communication skills in children. New York: Wiley.

MLA Citation

Flavell, John H, and Patricia T. Botkin. The Development of Role-taking And Communication Skills In Children. New York: Wiley, 1968.

Warning: These citations may not always be complete (especially for serials).