Cita APA

Johnson, E. S. (1956). Theory and practie of the social studies. New York: McMillan.

Citación estilo Chicago

Johnson, Earl S. Theory and Practie of the Social Studies. New York: McMillan, 1956.

Cita MLA

Johnson, Earl S. Theory and Practie of the Social Studies. New York: McMillan, 1956.