APA (7th ed.) Citation

Weigelt, H., Weiss, H. H., & Gotz, R. (1977). City traffic: A systems digest. Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

Weigelt, Horst, Helmut H. Weiss, and Rainer Gotz. City Traffic: A Systems Digest. New York: Van Nostrand Reinhold, 1977.

MLA (9th ed.) Citation

Weigelt, Horst, et al. City Traffic: A Systems Digest. Van Nostrand Reinhold, 1977.