Cita APA (7th ed.)

O'Loughlin, C. (1967). Economics of sea transport. Pergamon press.

Cita Chicago (17th ed.)

O'Loughlin, Carleen. Economics of Sea Transport. Oxford: Pergamon press, 1967.

Cita MLA (9th ed.)

O'Loughlin, Carleen. Economics of Sea Transport. Pergamon press, 1967.