APA (7th ed.) Citation

Erdoes, R. (1988). AD 1000: Living on the brink of Apocalypse. Harper & Row.

Chicago Style (17th ed.) Citation

Erdoes, Richard. AD 1000: Living on the Brink of Apocalypse. San Francisco u.a: Harper & Row, 1988.

MLA (9th ed.) Citation

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

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