Cita APA (7th ed.)

(1968). Educational studies in mathematics. D. Reidel Pub. Co..

Cita Chicago (17th ed.)

Educational Studies in Mathematics. Dordrecht, Holland: D. Reidel Pub. Co., 1968.

Cita MLA (9th ed.)

Educational Studies in Mathematics. D. Reidel Pub. Co., 1968.