Cita APA (7th ed.)

Couper, A. D. (1972). The geography of sea transport. Hutchin University Library.

Cita Chicago (17th ed.)

Couper, A. D. The Geography of Sea Transport. London: Hutchin University Library, 1972.

Cita MLA (9th ed.)

Couper, A. D. The Geography of Sea Transport. Hutchin University Library, 1972.