APA
Grant M., . (1990). The fall of the Roman Empire. New York: Collier Books.
Chicago
Grant Michael, . 1990. The fall of the Roman Empire. New York: Collier Books.
Harvard
Grant M., . (1990). The fall of the Roman Empire. New York: Collier Books.
MLA
Grant Michael, . The fall of the Roman Empire. New York: Collier Books. 1990.