Cita APA (7a ed.)

Não informado. (1970). Viewpoints. Indiana University, School of Education.

Cita Chicago Style (17a ed.)

Não informado. Viewpoints. Bloomington, Ind: Indiana University, School of Education, 1970.

Cita MLA (8a ed.)

Não informado. Viewpoints. Indiana University, School of Education, 1970.

Precaución: Estas citas no son 100% exactas.