APA (7th ed.) Citation

Zufelt,J, Calkins,D, & NH, C. R. R. A. E. L. H. (1985). Survey of Ice Problem Areas in Navigable Waterways.

Chicago Style (17th ed.) Citation

Zufelt,J, Calkins,D, and COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER NH. Survey of Ice Problem Areas in Navigable Waterways. 1985.

MLA (9th ed.) Citation

Zufelt,J, et al. Survey of Ice Problem Areas in Navigable Waterways. 1985.