APA (7th ed.) Citation

Oman, C. W. C. (1892). The Byzantine Empire (3. ed.). Fisher Unwin.

Chicago Style (17th ed.) Citation

Oman, Charles William Chadwick. The Byzantine Empire. 3. ed. London: Fisher Unwin, 1892.

MLA (9th ed.) Citation

Oman, Charles William Chadwick. The Byzantine Empire. 3. ed. Fisher Unwin, 1892.