APA (7th ed.) Citation

Johnson, E. R., Huebner, G. G., & Wilson, G. L. (1940). Transportation: Economic principles and practices. Appleton-Century company, incorporated.

Chicago Style (17th ed.) Citation

Johnson, Emory R., Grover G. Huebner, and G. Lloyd Wilson. Transportation: Economic Principles and Practices. New York, London: Appleton-Century company, incorporated, 1940.

MLA (9th ed.) Citation

Johnson, Emory R., et al. Transportation: Economic Principles and Practices. Appleton-Century company, incorporated, 1940.