Citazione Stile APA (7a Edizione)

Helm, P. J. (1985). England under the Yorkists and Tudors: 1471 - 1603 (1. publ., reprinted.). Bell & Hyman.

Citazione stile Chigago Style (17a edizione)

Helm, P. J. England Under the Yorkists and Tudors: 1471 - 1603. 1. publ., reprinted. London: Bell & Hyman, 1985.

Citatione MLA (9a ed.)

Helm, P. J. England Under the Yorkists and Tudors: 1471 - 1603. 1. publ., reprinted. Bell & Hyman, 1985.