APA (7th ed.) Citation

Johnson, E. R., & Huebner, G. G. (1920). Principles of ocean transportation. D. Appleton and Company.

Chicago Style (17th ed.) Citation

Johnson, Emory R., and Grover G. Huebner. Principles of Ocean Transportation. New York [etc.]: D. Appleton and Company, 1920.

MLA (9th ed.) Citation

Johnson, Emory R., and Grover G. Huebner. Principles of Ocean Transportation. D. Appleton and Company, 1920.