Citação norma APA

Gubbins, E. J. (1986). The shipping industry: The technology and economics of specialisation. Gordon and Breach Science Publishers.

Citação norma Chicago

Gubbins, Edmund J. The Shipping Industry: The Technology and Economics of Specialisation. Nueva York: Gordon and Breach Science Publishers, 1986.

Citação norma MLA

Gubbins, Edmund J. The Shipping Industry: The Technology and Economics of Specialisation. Gordon and Breach Science Publishers, 1986.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.