APA (7th ed.) Citation

Ashton, H. (1940). The Swan of Usk: A historical novel. Macmillan.

Chicago Style (17th ed.) Citation

Ashton, Helen. The Swan of Usk: A Historical Novel. New York: Macmillan, 1940.

MLA (9th ed.) Citation

Ashton, Helen. The Swan of Usk: A Historical Novel. Macmillan, 1940.

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