APA (7th ed.) Citation

Brown, R. J. (1972). The identification and improvement of accident black spots. National Institute for Road Research.

Chicago Style (17th ed.) Citation

Brown, R. J. The Identification and Improvement of Accident Black Spots. Pretoria, South Africa: National Institute for Road Research, 1972.

MLA (9th ed.) Citation

Brown, R. J. The Identification and Improvement of Accident Black Spots. National Institute for Road Research, 1972.