Cita APA (7a ed.)

Hartshorn, J. E. (1967). Oil companies and governments: An account of the International Oil Industry in its political envirnment (2nd (revised) ed.). Faber and Faber.

Cita Chicago Style (17a ed.)

Hartshorn, J. E. Oil Companies and Governments: An Account of the International Oil Industry in Its Political Envirnment. 2nd (revised) ed. London: Faber and Faber, 1967.

Cita MLA (9a ed.)

Hartshorn, J. E. Oil Companies and Governments: An Account of the International Oil Industry in Its Political Envirnment. 2nd (revised) ed. Faber and Faber, 1967.