APA

Steele P., Carter S., . (1997). The Roman Empire. London: Lorenz Books.

Chicago

Steele Philip, Carter Stuart, . 1997. The Roman Empire. London: Lorenz Books.

Harvard

Steele P., Carter S., . (1997). The Roman Empire. London: Lorenz Books.

MLA

Steele Philip, Carter Stuart, . The Roman Empire. London: Lorenz Books. 1997.