APA aipamena

Keefer, L. E., & Witheford, D. K. (1969). Urban travel patterns for hospitals, universities, office buildings, and capitols. Highway Research Board, Division of Engineering.

Chicago Style aipamena

Keefer, Louis E., and David K. Witheford. Urban Travel Patterns for Hospitals, Universities, Office Buildings, and Capitols. Washington, D.C: Highway Research Board, Division of Engineering, 1969.

MLA aipamena

Keefer, Louis E., and David K. Witheford. Urban Travel Patterns for Hospitals, Universities, Office Buildings, and Capitols. Highway Research Board, Division of Engineering, 1969.