APA (7th ed.) Citation

HOBBS, G. M. Practical mathematics#Glenn M. Hobbs. American Technical Society.

Chicago Style (17th ed.) Citation

HOBBS, Glenn M. Practical Mathematics#Glenn M. Hobbs. American Technical Society.

MLA (8th ed.) Citation

HOBBS, Glenn M. Practical Mathematics#Glenn M. Hobbs. American Technical Society.

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