APA (7th ed.) Citation

Richter, M. (1999). Ireland and her neighbours in the seventh century: Michael Richter. St. Martin's Press.

Chicago Style (17th ed.) Citation

Richter, Michael. Ireland and Her Neighbours in the Seventh Century: Michael Richter. New York: St. Martin's Press, 1999.

MLA (9th ed.) Citation

Richter, Michael. Ireland and Her Neighbours in the Seventh Century: Michael Richter. St. Martin's Press, 1999.