A study of trip planning and map use by American motorists :
executive summary /
Kenneth D. Cross, James J. McGrath.

APA Citation

Cross, K. D., McGrath, J. J., United States. Federal Highway Administration., West Virginia. Department of Highways., Anacapa Sciences, i. (1977). A study of trip planning and map use by American motorists: executive summary. Santa Barbara, Calif.: Anacapa Science, Inc. .

MLA Citation

Anacapa Sciences, i, et al.. A Study of Trip Planning And Map Use by American Motorists: Executive Summary. Santa Barbara, Calif.: Anacapa Science, Inc. , 1977.

Warning: These citations may not always be complete (especially for serials).