APA (7th ed.) Citation

Hobbs, G. M., McKinney, J., & Fitts, D. (1973). Practical mathematics: For beginners, for those who have forgotten (3d ed.). American Technical Society.

Chicago Style (17th ed.) Citation

Hobbs, Glenn M., James McKinney, and Dal Fitts. Practical Mathematics: For Beginners, for Those Who Have Forgotten. 3d ed. Chicago: American Technical Society, 1973.

MLA (9th ed.) Citation

Hobbs, Glenn M., et al. Practical Mathematics: For Beginners, for Those Who Have Forgotten. 3d ed. American Technical Society, 1973.