Cytowanie według stylu APA (wyd. 7)

BARKER, E. (1956). From Alexander to Constantine: Passages and documents illustrating the history of social and political ideas. Clarendon Press.

Cytowanie według stylu Chicago (wyd. 17)

BARKER, Ernest. From Alexander to Constantine: Passages and Documents Illustrating the History of Social and Political Ideas. Oxford: Clarendon Press, 1956.

Cytowanie według stylu MLA (wyd. 9)

BARKER, Ernest. From Alexander to Constantine: Passages and Documents Illustrating the History of Social and Political Ideas. Clarendon Press, 1956.