APA (7th ed.) Citation

Johnson, E. R., Huebner, G. G., & Wilson, G. L. (1928). Principles of transportation. D. Appleton and company.

Chicago Style (17th ed.) Citation

Johnson, Emory R., Grover G. Huebner, and George Lloyd Wilson. Principles of Transportation. New York, London: D. Appleton and company, 1928.

MLA (9th ed.) Citation

Johnson, Emory R., et al. Principles of Transportation. D. Appleton and company, 1928.