Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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

Precaución: Estas citas no son 100% exactas.