APA (7th ed.) Citation

Johnson, S. (1983). Late Roman fortifications. Barnes & Noble Books.

Chicago Style (17th ed.) Citation

Johnson, Stephen. Late Roman Fortifications. Totowa, N.J.: Barnes & Noble Books, 1983.

MLA (9th ed.) Citation

Johnson, Stephen. Late Roman Fortifications. Barnes & Noble Books, 1983.

Warning: These citations may not always be 100% accurate.