APA (7th ed.) Citation

Hallmark, D. E., & Hendrickson, J. G. (1967). Earth and traffic loads on conduits. Portland Cement Association.

Chicago Style (17th ed.) Citation

Hallmark, Dasel E., and John G. Hendrickson. Earth and Traffic Loads on Conduits. Chicago: Portland Cement Association, 1967.

MLA (9th ed.) Citation

Hallmark, Dasel E., and John G. Hendrickson. Earth and Traffic Loads on Conduits. Portland Cement Association, 1967.