Cita APA (7th ed.)

Ord, J. E. (1972). Elementary school social studies for today's children. Harper & Row.

Cita Chicago (17th ed.)

Ord, John E. Elementary School Social Studies for Today's Children. New York: Harper & Row, 1972.

Cita MLA (9th ed.)

Ord, John E. Elementary School Social Studies for Today's Children. Harper & Row, 1972.