APA (7th ed.) Citation

Johnson, E. R., & Huebner, G. G. (1919). Principles of ocean transportation. Appleton.

Chicago Style (17th ed.) Citation

Johnson, Emory R., and Grover G. Huebner. Principles of Ocean Transportation. New York: Appleton, 1919.

MLA (8th ed.) Citation

Johnson, Emory R., and Grover G. Huebner. Principles of Ocean Transportation. Appleton, 1919.