APA (7th ed.) Citation

Cook, D. R. (1984). Lancastrians and Yorkists: The Wars of the Roses. Longman.

Chicago Style (17th ed.) Citation

Cook, David R. Lancastrians and Yorkists: The Wars of the Roses. London ; New York: Longman, 1984.

MLA (9th ed.) Citation

Cook, David R. Lancastrians and Yorkists: The Wars of the Roses. Longman, 1984.