Cita APA (7a ed.)

Zimmermann, E. W. (1923). Zimmermann on ocean shipping. Prentice-Hall.

Cita Chicago Style (17a ed.)

Zimmermann, Erich W. Zimmermann on Ocean Shipping. New York: Prentice-Hall, 1923.

Cita MLA (9a ed.)

Zimmermann, Erich W. Zimmermann on Ocean Shipping. Prentice-Hall, 1923.