Cita APA (7a ed.)

Hubbard, M. (1967). The economics of transporting oil to and within europe (1a ed.). Maclaren & Sons Ltd.

Cita Chicago Style (17a ed.)

Hubbard, Michael. The Economics of Transporting Oil to and Within Europe. 1a ed. Londres: Maclaren & Sons Ltd, 1967.

Cita MLA (9a ed.)

Hubbard, Michael. The Economics of Transporting Oil to and Within Europe. 1a ed. Maclaren & Sons Ltd, 1967.