Cita APA (7th ed.)

Feigold, A. (1965). Teaching arithmetic to slow learners and retarded. Day.

Cita Chicago (17th ed.)

Feigold, Abraham. Teaching Arithmetic to Slow Learners and Retarded. New York: Day, 1965.

Cita MLA (9th ed.)

Feigold, Abraham. Teaching Arithmetic to Slow Learners and Retarded. Day, 1965.