APA (7th ed.) Citation

Bergman, M. H., Ellis, N. C., Konzen, R. B., & Stone, B. D. (1981). Passenger and pedestrian speed estimations.

Chicago Style (17th ed.) Citation

Bergman, Michael Harmon, Newton C. Ellis, Richard B. Konzen, and B. Douglas Stone. Passenger and Pedestrian Speed Estimations. 1981.

MLA (9th ed.) Citation

Bergman, Michael Harmon, et al. Passenger and Pedestrian Speed Estimations. 1981.