Cita APA (7th ed.)

Laurence C., A. (1984). Vessel operating economies. Mayhew McCrimmon.

Cita Chicago (17th ed.)

Laurence C., A. Vessel Operating Economies. Essex: Mayhew McCrimmon, 1984.

Cita MLA (9th ed.)

Laurence C., A. Vessel Operating Economies. Mayhew McCrimmon, 1984.