APA (7th ed.) Citation

Erdoes, R. (1988). A.D. 1000: Living on the brink of apocalypse. Harper & Row.

Chicago Style (17th ed.) Citation

Erdoes, Richard. A.D. 1000: Living on the Brink of Apocalypse. San Francisco: Harper & Row, 1988.

MLA (8th ed.) Citation

Erdoes, Richard. A.D. 1000: Living on the Brink of Apocalypse. Harper & Row, 1988.