Cita APA (7th ed.)

Astle, W. E. (1984). Time charter withdrawals. Fairplay.

Cita Chicago (17th ed.)

Astle, W. E. Time Charter Withdrawals. Londres: Fairplay, 1984.

Cita MLA (9th ed.)

Astle, W. E. Time Charter Withdrawals. Fairplay, 1984.