APA

Kimball C., Bronstad M., Michie J., Wentworth J. & Viner J. (1976). Development of a collapsing ring bridge railing system. San Antonio, TX: Southwest Research Institute. Report nr 03-3619-1.

Chicago

Kimball CE, Bronstad ME, Michie JD, Wentworth JA and Viner JG. 1976. Development of a collapsing ring bridge railing system. San Antonio, TX: Southwest Research Institute. Report nr 03-3619-1.

Harvard

Kimball C., Bronstad M., Michie J., Wentworth J. and Viner J. (1976). Development of a collapsing ring bridge railing system. San Antonio, TX: Southwest Research Institute. Report nr 03-3619-1.

MLA

Kimball CE, Bronstad ME, Michie JD, Wentworth JA and Viner JG. Development of a collapsing ring bridge railing system. San Antonio, TX: Southwest Research Institute. Report nr 03-3619-1. 1976.