APA (7th ed.) Citation

Gruber. (1974). ACT American college testing program (2nd. edition.). Monarch Press.

Chicago Style (17th ed.) Citation

Gruber. ACT American College Testing Program. 2nd. edition. New York: Monarch Press, 1974.

MLA (8th ed.) Citation

Gruber. ACT American College Testing Program. 2nd. edition. Monarch Press, 1974.

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