APA (7th ed.) Citation

TOWNSEND, G., & DALZELL, J. R. (1955). How to estimate. American Technical Society.

Chicago Style (17th ed.) Citation

TOWNSEND, Gilbert, and J. Ralph DALZELL. How to Estimate. Chicago: American Technical Society, 1955.

MLA (9th ed.) Citation

TOWNSEND, Gilbert, and J. Ralph DALZELL. How to Estimate. American Technical Society, 1955.