APA

Hanson J., Somes N. & Helgason T. (1974). Investigation of design factors affecting fatigue strength of reinforcing bars - test program. Skokie, Ill: Portland Cement Association. RD036.01D.

Chicago

Hanson JM, Somes NF and Helgason T. 1974. Investigation of design factors affecting fatigue strength of reinforcing bars - test program. Skokie, Ill: Portland Cement Association. RD036.01D.

Harvard

Hanson J., Somes N. and Helgason T. (1974). Investigation of design factors affecting fatigue strength of reinforcing bars - test program. Skokie, Ill: Portland Cement Association. RD036.01D.

MLA

Hanson JM, Somes NF and Helgason T. Investigation of design factors affecting fatigue strength of reinforcing bars - test program. Skokie, Ill: Portland Cement Association. RD036.01D. 1974.