APA (7th ed.) Citation

415306 Gechtman, M., & Hardestry, J. (1968). Arithmetic concepts, skills. New York : Macmillan.

Chicago Style (17th ed.) Citation

415306 Gechtman, Murray, and James Hardestry. Arithmetic Concepts, Skills. New York : Macmillan, 1968.

MLA (9th ed.) Citation

415306 Gechtman, Murray, and James Hardestry. Arithmetic Concepts, Skills. New York : Macmillan, 1968.

Warning: These citations may not always be 100% accurate.