Cytowanie według stylu APA (wyd. 7)

Hartshorn, J. E. (1962). Politics snd world oil economics, an account of the international oil industry in its political environment. Praeger.

Cytowanie według stylu Chicago (wyd. 17)

Hartshorn, J. E. Politics Snd World Oil Economics, an Account of the International Oil Industry in Its Political Environment. New York: Praeger, 1962.

Cytowanie według stylu MLA (wyd. 9)

Hartshorn, J. E. Politics Snd World Oil Economics, an Account of the International Oil Industry in Its Political Environment. Praeger, 1962.