APA

Dare C., Owens J. & Krane S. (1978). Impact of motorcycle helmet usage in Colorado. Denver, CO: Colorado Department of Highways. Report nr 403-2-A.

Chicago

Dare CE, Owens JC and Krane SW. 1978. Impact of motorcycle helmet usage in Colorado. Denver, CO: Colorado Department of Highways. Report nr 403-2-A.

Harvard

Dare C., Owens J. and Krane S. (1978). Impact of motorcycle helmet usage in Colorado. Denver, CO: Colorado Department of Highways. Report nr 403-2-A.

MLA

Dare CE, Owens JC and Krane SW. Impact of motorcycle helmet usage in Colorado. Denver, CO: Colorado Department of Highways. Report nr 403-2-A. 1978.